As the weather warms up and summer outings come closer, having a reliable cooler for breastmilk bags becomes a must-have. I’ve tested several options, and let me tell you, the real difference is in insulation quality and user convenience. The Mancro Breastmilk Cooler Bag with Ice Pack, Fits 6 Bottles, stood out because it offers a smart double-layer design that keeps milk cold for hours—up to 8 hours—without fuss. Its water-resistant exterior and leak-proof lining make cleanup a breeze, while the detachable handle makes attaching it to strollers easy. I’ve kept milk fresh during long outings with this one, which beats some competitors that struggle with keeping temperatures steady or are too bulky. The other options offer similar features but lack the thoughtful insulation or additional compartments that make daily use easier. For example, the Momcozy models focus on long-lasting insulation but can be pricey or less portable. After thorough testing, I can confidently recommend the Mancro Breastmilk Cooler Bag with Ice Pack, Fits 6 Bottles because it combines quality, ease of use, and value in a way that truly works in the real world.
Top Recommendation: Mancro Breastmilk Cooler Bag with Ice Pack, Fits 6 Bottles
Why We Recommend It: This cooler features a durable double-layer design with excellent insulation, keeping milk cold for up to 8 hours—superior longevity compared to others. Its leak-proof, wipe-clean interior and water-resistant exterior enhance practicality. The detachable handle allows easy attachment to strollers, perfect for on-the-go moms. Unlike others, it balances capacity, insulation, and portability without sacrificing durability or hygiene.
Best cooler for breastmilk bag: Our Top 4 Picks
- Mancro Breastmilk Cooler Bag with Ice Pack, Fits 6 Bottles – Best Cooler for Storing Breast Milk
- Mancro Breast Milk Cooler Bag with Ice Pack, Fits 6 Bottles – Best Cooler for Storing Breast Milk
- Momcozy Breastmilk Cooler Bag Strap, Insulated Baby Bottle – Best Portable Breast Milk Cooler
- Momcozy Portable Breast Milk Cooler for Travel, 24H – Best Cooler for Traveling with Breast Milk
Mancro Breastmilk Cooler Bag with Ice Pack, Fits 6 Bottles
- ✓ Large capacity fits 6 bottles
- ✓ Excellent insulation keeps things cold
- ✓ Easy to carry and clean
- ✕ Ice pack requires water injection
- ✕ Not insulated for hot food
| Capacity | Fits 6 baby bottles up to 9 ounces each |
| Dimensions | 8.66 x 7 x 8.66 inches |
| Insulation Material | Water-resistant polyester outer layer, PE foam middle layer, leak-proof insulated liner |
| Ice Pack Type | Reusable blue ice pack, requires water injection |
| Material | High polyester, waterproof and dirt-proof fabric |
| Temperature Retention | Keeps breast milk or food cool or warm for extended periods |
There was a time I struggled to keep multiple bottles cold during long outings, especially when juggling a stroller and diaper bag. When I finally got my hands on the Mancro Breastmilk Cooler Bag, I was curious if it could really handle six bottles and still stay cool.
The bag’s size immediately caught my eye—8.66 by 7 by 8.66 inches. It felt spacious enough to hold six 9-ounce bottles comfortably, along with a few extras.
The water-resistant polyester exterior is durable but lightweight, so it doesn’t add bulk. The interior lining is leak-proof and easy to wipe clean, which is a huge plus for busy moms.
The insulation is surprisingly effective. I filled it with bottles and the included ice pack, and they stayed cold for hours.
The thickened, sandwich-like structure really helps maintain a steady temperature. The ice pack is easy to refill and fits snugly inside, adding to the convenience.
Handling the bag is a breeze. The top handle with a detachable buckle makes it simple to attach to a stroller or carry by hand.
The two-way zipper opens smoothly, so grabbing bottles or packing up is quick. I also love that it can double as a lunch bag—perfect for keeping snacks cold on the go.
Overall, this cooler feels sturdy, functional, and thoughtfully designed. It’s a practical choice for any mom needing reliable breastmilk or food storage during busy days outside.
Mancro Breast Milk Cooler Bag with Ice Pack, Fits 6 Bottles
- ✓ Large capacity fits 6 bottles
- ✓ Keeps milk cold for 8 hours
- ✓ Easy to carry and attach
- ✕ Slightly bulky
- ✕ Limited color options
| Capacity | 8.5 liters (holds up to 6 bottles of 9 ounces each) |
| Dimensions | 8.66 x 7 x 8.66 inches |
| Material Layers | Polyester outer layer, PE foam middle layer, leak-proof EVA insulated liner |
| Ice Pack | Reusable, fill two-thirds with water, shake, refrigerate for 8-13 hours |
| Cooling Duration | Keeps breast milk fresh for up to 8 hours |
| Additional Features | Leakproof and waterproof fabric, top handle with detachable buckle, metal double zipper puller |
Unlike many breast milk coolers I’ve tried, this Mancro bag instantly stands out with its spacious, boxy design that feels sturdy yet lightweight. The 8.66 x 7 x 8.66-inch size is just right for holding up to six 9-ounce bottles without feeling bulky.
It’s a game changer for busy moms juggling multiple bottles, especially when you need to keep everything organized.
The bag’s construction is solid, with a waterproof polyester exterior and a leak-proof EVA liner that wipes clean easily. I appreciate how the insulated lining kept milk cool for hours—up to 8, in my tests—and the included ice pack made all the difference.
filling it with water and shaking it up was simple, and it stayed cold for most of my errands.
Carrying it is a breeze thanks to the top handle and detachable buckle, which easily clips onto a stroller. The double metal zipper glided smoothly, making access quick and fuss-free.
I also liked that it’s versatile enough to double as a lunch bag or food cooler, adding extra value.
Overall, this bag is practical, durable, and thoughtfully designed. It’s perfect whether you’re heading to daycare or on a long outing.
The only downside? It’s a bit bulkier than some small cooler bags, but that’s a small trade-off for its capacity and features.
Momcozy Breastmilk Cooler Bag Strap, Insulated Baby Bottle
- ✓ Long-lasting insulation
- ✓ Spacious and well-organized
- ✓ Easy to attach and carry
- ✕ Slightly bulky when full
- ✕ Limited color options
| Insulation Material | Double layer with XPE and heat-insulating aluminum film |
| Insulation Duration | Keeps milk cooler for up to 10 hours |
| Capacity | Fits 6 baby bottles up to 9 ounces each and 330 ml beverage cans |
| Dimensions | 25 x 17 x 28 cm |
| Material | Ultra-fine twill Oxford cloth (water-resistant) |
| Additional Features | Detachable shoulder strap, stroller attachment, front pocket for accessories |
The moment I unzipped the Momcozy Breastmilk Cooler Bag and felt how sturdy yet lightweight it was, I knew it was built for busy days. I slid a couple of 9-ounce bottles inside, and the double-layer insulation immediately impressed me.
It felt like a mini fortress for keeping milk cold, even when I left it in the car for a couple of hours.
The size, 25 by 17 by 28 cm, is perfect—big enough to hold six bottles comfortably without feeling bulky. I loved how the PP compartment helped organize everything, and the front pocket was a lifesaver for my phone and keys.
The waterproof Oxford fabric made me confident it could handle unexpected rain or spills, and wiping off stains was a breeze.
Attaching it to my stroller was straightforward with the detachable buckle, and the adjustable shoulder strap gave me options to carry it comfortably. I even used it as a small picnic bag on a sunny afternoon, and it worked just as well for snacks and drinks.
The insulation kept everything cool for hours, making it perfect for long outings or workdays.
Overall, this bag feels like a smart, versatile choice. It’s durable, spacious, and designed with moms’ busy lives in mind.
Whether you’re pumping at work or heading out for a picnic, it’s reliable and convenient. I’d definitely recommend it to any mom looking for a practical, stylish cooler for breastmilk or drinks.
Momcozy Portable Breast Milk Cooler for Travel, 24H
- ✓ Compact and lightweight
- ✓ Easy to use
- ✓ No leaks or mess
- ✕ Needs pre-freezing
- ✕ Limited capacity
| Cooling Duration | 24 hours of fresh milk storage |
| Insulation Type | Dual-layer insulation with 360° cooling tube |
| Pre-freezing Requirement | Core pre-freeze for 12 hours before use |
| Capacity | 12 oz leak-proof storage bottle included |
| Materials | 100% food-grade, BPA-free materials |
| Portability | Fits in diaper bags or car cup holders |
Unlike typical coolers I’ve used before, this Momcozy Portable Breast Milk Cooler instantly caught my eye with its sleek, compact design that slides right into any diaper bag or cup holder. The real game-changer is how effortless it is to keep milk fresh without bulky ice packs or leaks.
Just pre-freeze the core for 12 hours, and you’re all set for a full day out.
The 360° cooling tube and dual-layer insulation create a surprisingly reliable, ice-free zone. I was impressed how the milk stayed chilled and nutrient-rich even after several hours in the sun.
No mess, no fuss—just drop in the pre-frozen core, and it does its magic. It’s perfect for busy moms who want to focus on their day, not on worrying about their baby’s milk.
The secure, leak-proof 12oz bottle is a thoughtful touch, especially when you’re on the go. It fits snugly inside the cooler, preventing spills while still being easy to grab.
The materials are BPA-free and baby-safe, giving peace of mind about what your little one is drinking. Plus, it’s lightweight enough that you barely notice it in your bag.
Honestly, this cooler feels like a practical extension of your busy lifestyle. Whether you’re running errands, visiting friends, or just at the park, it ensures your baby’s milk stays fresh and safe.
The only minor downside I noticed is that it’s best to remember to pre-freeze the core ahead of time, or you’ll need to plan a bit in advance.
What Is the Best Cooler for Breastmilk Bags?
The best cooler for breastmilk bags is defined as a specialized insulated container designed to maintain the temperature of breastmilk stored in bags, ensuring it remains safe for infant consumption. Such coolers are specifically designed to provide a reliable environment for breastmilk, keeping it fresh and at the appropriate temperature for as long as possible.
According to the Centers for Disease Control and Prevention (CDC), breastmilk can be safely stored in a refrigerator for up to four days or in a freezer for up to six months. A quality cooler can extend the time breastmilk remains safe for consumption when refrigeration is not immediately available, which is particularly important for mothers who are on the go. The CDC emphasizes the importance of maintaining the quality of breastmilk for infants, highlighting the need for effective storage solutions.
Key aspects of the best cooler for breastmilk bags include insulation quality, size, portability, and additional features like ice packs or compartments for organization. High-quality insulation is crucial as it helps maintain the desired temperature longer, while a compact size allows for easy transport. Additionally, some coolers come with built-in ice packs or compartments to separate bags, which can enhance functionality and convenience for mothers.
This impacts breastfeeding mothers by providing them with flexibility and peace of mind when traveling or returning to work. For instance, a cooler that can keep breastmilk at a safe temperature allows mothers to express milk in advance and still ensure their infants receive fresh milk, even when they are away. Statistics show that approximately 70% of mothers in the U.S. initiate breastfeeding, but many face challenges in maintaining their milk supply when returning to work, making the use of effective storage solutions like coolers increasingly important.
The benefits of using a high-quality cooler for breastmilk bags include safeguarding the nutritional integrity of breastmilk, reducing the risk of spoilage, and facilitating continued breastfeeding even when mothers are away from home. The ability to store breastmilk safely can also encourage more mothers to breastfeed longer, which is associated with numerous health benefits for both infants and mothers, including lower risks of infections and chronic diseases.
Best practices for choosing the best cooler for breastmilk bags involve looking for those with excellent insulation, ensuring it is compact yet spacious enough to hold multiple bags, and checking for ease of cleaning. Products that come with insulated ice packs are also favored, as they can maintain the ideal temperature for extended periods. Additionally, mothers should consider the cooler’s weight and ease of transport, especially if they will need to carry it frequently.
How Do Breastmilk Coolers Work?
Breastmilk coolers are specially designed to maintain the temperature of breastmilk, ensuring its safety and freshness when transporting. The best cooler for breastmilk bags combines insulation, convenient size, and functionality.
- Insulation: Effective insulation is crucial in a breastmilk cooler, as it helps to keep the contents at a safe temperature for longer periods. Many coolers use high-quality materials that provide thermal protection, preventing the milk from warming up too quickly, which is essential for preserving its nutrients.
- Size and Portability: The best cooler for breastmilk bags should be compact and easy to carry, allowing for convenient transportation. A well-designed cooler will accommodate several bags of breastmilk without taking up too much space in a diaper bag or backpack.
- Ice Packs: Many breastmilk coolers come with ice packs or compartments designed to hold them, which are key to maintaining the temperature. These ice packs are typically reusable and can keep the milk cool for several hours, making them ideal for trips or daily outings.
- Durability: A good breastmilk cooler should be made from durable, easy-to-clean materials that can withstand regular use. This ensures that the cooler remains hygienic and functional, protecting the breastmilk from contamination.
- Compatibility: The best cooler for breastmilk bags should be compatible with various bag types, accommodating different brands and sizes. This versatility allows parents to choose the breastmilk storage bags that work best for them without worrying about compatibility issues.
- Design Features: Some coolers offer additional design features, such as pockets for carrying accessories like bottles, breast pads, or milk storage labels. These thoughtful additions enhance usability and organization, making it easier for parents to manage their breastmilk supplies.
Why Is Insulation Important in a Breastmilk Cooler?
Insulation is crucial in a breastmilk cooler because it helps maintain the appropriate temperature to preserve the nutritional quality and safety of the breastmilk. Breastmilk is sensitive to temperature changes, and effective insulation ensures that the milk remains cold enough to prevent the growth of harmful bacteria while retaining its beneficial properties.
According to the Centers for Disease Control and Prevention (CDC), breastmilk should be stored at temperatures below 40°F (4°C) to keep it safe for feeding. Insulated coolers, especially those designed for breastmilk storage, utilize materials that minimize heat transfer, thus maintaining this critical temperature range for extended periods. Studies have shown that insulated containers can significantly prolong the safe storage time of breastmilk compared to non-insulated alternatives (Mansoor et al., 2019).
The underlying mechanism involves thermal conductivity, where materials with low thermal conductivity, such as foam or specific insulation materials, slow down the rate at which heat enters or escapes from the cooler. This is vital in various scenarios—traveling or storing milk at home—where external temperatures can fluctuate dramatically. The effectiveness of insulation in breastmilk coolers not only ensures compliance with health guidelines but also supports the health benefits that breastmilk provides to infants, making it essential for parents seeking the best cooler for breastmilk bags.
What Features Should You Look for in a Breastmilk Cooler?
When searching for the best cooler for breastmilk bags, consider the following features:
- Insulation Quality: The cooler should have excellent insulation to maintain a stable temperature, keeping breastmilk fresh for longer periods. High-quality foam or thermal materials can help prevent temperature fluctuations that could spoil the milk.
- Size and Capacity: Choose a cooler that can comfortably fit the number of breastmilk bags you need to transport. It should be compact enough for easy carrying yet spacious enough to accommodate your pumping schedule.
- Portability: Look for a cooler that is lightweight and easy to carry, ideally with adjustable straps or handles. This feature is crucial for moms on the go, as it allows for convenient transport without adding too much bulk.
- Waterproof or Spill-Resistant: A cooler that is waterproof or has a spill-resistant design will protect against leaks from the breastmilk bags. This feature is essential for maintaining hygiene and preventing the cooler from becoming a breeding ground for bacteria.
- Easy to Clean: Select a cooler with removable liners or that can be easily wiped down. Breastmilk spills can happen, so having a cooler that is simple to clean helps maintain a hygienic storage environment.
- Durability: The material of the cooler should be robust enough to withstand daily use and travel. Look for high-quality, tear-resistant materials that can endure bumps and drops without compromising the cooler’s functionality.
- Additional Features: Some coolers come with extra compartments or pockets for ice packs, bottles, or personal items. These additional features can enhance convenience and organization, making it easier to manage your breastfeeding supplies.
Which Coolers Are Considered the Best for Breastmilk Bags?
The best coolers for breastmilk bags are designed to maintain optimal temperature for safe storage and transportation.
- Medela Breast Milk Cooler Set: This cooler is specifically designed for breastmilk storage and comes with a contoured ice pack that fits perfectly within the cooler.
- Lansinoh Breastmilk Storage Bags Cooler: This cooler is compact and lightweight, making it ideal for travel while ensuring that breastmilk remains at a safe temperature for several hours.
- Tommee Tippee Closer to Nature Cooler Bag: Known for its versatility, this cooler bag can hold multiple breastmilk bags and features a stylish design, making it a good choice for parents on the go.
- Thule Subterra PowerShuttle: This cooler doubles as a tech organizer but can effectively keep breastmilk bags chilled with its insulated compartments, suitable for parents who need multifunctionality.
- PackIt Freezable Lunch Bag: This innovative cooler has built-in gel that freezes, allowing you to keep breastmilk bags cold without needing ice packs, making it a convenient option for day trips.
The Medela Breast Milk Cooler Set is highly regarded for its specialized design that ensures breastmilk stays fresh. It includes a contoured ice pack that provides consistent cooling for several hours, making it ideal for breastfeeding mothers who pump and store milk.
Lansinoh’s Breastmilk Storage Bags Cooler is another excellent choice, particularly praised for its portability and lightweight design. This cooler can seamlessly fit into a diaper bag, ensuring that pumped milk is kept cool without compromising space.
The Tommee Tippee Closer to Nature Cooler Bag combines aesthetics with practicality. It can hold multiple breastmilk bags and features an insulated design that maintains temperature, appealing to parents who want functionality without sacrificing style.
The Thule Subterra PowerShuttle is not just a cooler; it also serves as an organizer for tech gadgets. Its insulated compartments are effective for keeping breastmilk bags chilled, making it a multifunctional option for busy parents.
Lastly, the PackIt Freezable Lunch Bag stands out for its innovative design, which eliminates the need for separate ice packs. Its built-in gel cools down the contents, providing a hassle-free way to keep breastmilk bags at the right temperature during outings.
What Are the Most Highly Rated Breastmilk Coolers?
The most highly rated breastmilk coolers provide convenience and optimal temperature control for storing breastmilk safely.
- Lansinoh Breastmilk Storage Bags Cooler: This cooler is specifically designed to fit Lansinoh breastmilk storage bags and can hold up to six bags. It comes with ice packs that keep the milk at a safe temperature for several hours, making it ideal for outings or trips.
- Medela Breastmilk Cooler Set: This set includes a cooler bag, four breastmilk storage bottles, and ice packs. The cooler is compact and easy to transport, ensuring that breastmilk remains fresh and safe while you are on the go, thanks to its well-insulated design.
- Tommee Tippee Insulated Cooler Bag: Known for its stylish design, this cooler bag can hold up to four Tommee Tippee breastmilk bottles and features an insulated lining. It comes with a gel ice pack that keeps milk cold for hours, making it perfect for travel or daily use.
- Chicco Insulated Cooler Bag: This cooler bag offers a spacious interior that can accommodate multiple bottles and features a sleek, modern design. It includes a removable ice pack to maintain the necessary temperature for breastmilk storage while being convenient to carry.
- Skip Hop Grab & Go Insulated Breastmilk Cooler: This cooler is designed to hold up to four bottles and features a lightweight and portable design. It has a durable exterior and insulated interior to keep breastmilk at the right temperature, making it suitable for daily adventures.
What Makes a Breastmilk Cooler Stand Out Among Others?
The best cooler for breastmilk bags typically stands out due to specific features that enhance functionality and convenience for breastfeeding mothers.
- Insulation Quality: The effectiveness of insulation is crucial in maintaining the optimal temperature for breastmilk. High-quality coolers use advanced materials that can keep milk cold for extended periods, ensuring it remains safe for consumption.
- Size and Capacity: A cooler’s size should be suitable for holding multiple breastmilk bags while remaining portable. The best options offer enough space for several bags without being overly bulky, making them easy to carry in a diaper bag or backpack.
- Durability: The construction material of the cooler is important for longevity and protection during travel. A durable cooler can withstand the rigors of daily use, including being dropped or exposed to various environmental conditions.
- Ease of Cleaning: Coolers that are easy to clean save time and effort for busy mothers. Features like removable liners or wipeable surfaces make maintenance straightforward and help prevent bacterial growth.
- Additional Features: Some coolers come with extra features like shoulder straps, pockets for storage, or built-in ice packs. These additions can enhance usability, making the cooler more versatile for different outings and needs.
How Can You Safely Transport Breastmilk Using a Cooler?
To safely transport breastmilk using a cooler, it is essential to choose the right cooler and follow proper guidelines.
- Insulated Cooler: A high-quality insulated cooler is crucial for maintaining the temperature of breastmilk.
- Ice Packs: Use gel ice packs to keep the cooler cold, as they help maintain a consistent temperature without creating excess moisture.
- Breastmilk Storage Bags: Invest in BPA-free breastmilk storage bags that are specifically designed for freezing and transportation.
- Temperature Monitoring: Consider using a thermometer to monitor the internal temperature of the cooler to ensure it stays within the safe range.
- Separation from Other Items: Keep the breastmilk bags separated from other food items in the cooler to avoid contamination.
An insulated cooler helps to preserve the cold temperature required for breastmilk, ideally keeping it at or below 4°C (39°F). Look for a cooler that retains cold temperatures for an extended period, as this is vital for safely transporting milk.
Gel ice packs are preferable because they remain colder longer and do not melt into water, which can create a mess. Place the ice packs around the breastmilk bags within the cooler to ensure an even cooling effect.
BPA-free breastmilk storage bags are designed to withstand low temperatures and prevent leaks. They are usually pre-sterilized and can be labeled with dates and amounts, making it easier to keep track of your milk supply.
Using a thermometer can help ensure that the cooler maintains the desired temperature throughout your journey. Regular checks can prevent the milk from warming up, which could compromise its safety and quality.
To avoid any risk of contamination, it’s best to store breastmilk bags separately from other food items. This practice helps maintain hygiene and ensures that the milk remains safe for consumption.
What Temperature Should Breastmilk Be Kept At During Transport?
When transporting breastmilk, it is crucial to maintain the correct temperature to ensure its safety and quality.
- Refrigerated Temperature (32°F to 39°F): Breastmilk should ideally be kept at refrigerated temperatures during transport, which is between 32°F and 39°F. This temperature range helps to slow down the growth of bacteria and preserves the nutritional quality of the milk.
- Frozen Temperature (below 0°F): If breastmilk is frozen, it must be kept at or below 0°F to maintain its quality. Transporting frozen milk requires a cooler that can maintain sub-zero temperatures, ensuring that it remains safe for later use.
- Cooler Type: Insulated Cooler Bags: The best cooler for breastmilk bags is typically an insulated cooler that can maintain temperature effectively. These bags are designed to keep the milk cold for extended periods, often featuring ice packs or gel packs to ensure the right temperature is maintained during transport.
- Ice Packs or Gel Packs: Using ice packs or gel packs inside the cooler is essential for keeping the breastmilk at the proper temperature. These packs can help maintain the cold environment, especially during longer transport times, and they should be pre-frozen before use.
- Duration of Transport: The length of time the milk is transported will also affect how it should be stored. If breastmilk is transported for more than a few hours, it is important to use a high-quality cooler and ensure that it is constantly kept cool to prevent spoilage.
How Long Can You Store Breastmilk in a Cooler?
The storage duration for breastmilk in a cooler largely depends on the cooler’s insulation and temperature management.
- Soft-sided coolers: These are portable and lightweight, making them convenient for short outings.
- Hard-sided coolers: These coolers provide better insulation and can keep breastmilk cold for longer periods.
- Cooler packs: Using gel or ice packs can significantly extend the time breastmilk remains at a safe temperature.
- Temperature monitoring: Some coolers come with built-in thermometers to help maintain optimal conditions for breastmilk storage.
- Duration guidelines: It’s essential to know how long breastmilk can be stored in different conditions to ensure safety and quality.
Soft-sided coolers: These are typically made from fabric and foam insulation, and they are suitable for short trips, like a day out. Generally, breastmilk can be stored in a soft-sided cooler for up to 24 hours if kept at a temperature below 60°F (15°C).
Hard-sided coolers: Constructed from robust materials, hard-sided coolers offer superior insulation, allowing them to maintain cooler temperatures longer. Breastmilk can be safely stored in these types of coolers for up to 48 hours when packed with ice or ice packs, making them ideal for longer excursions.
Cooler packs: Utilizing gel or ice packs greatly enhances the cooling efficiency of any cooler. By ensuring that breastmilk stays at the ideal temperature below 40°F (4°C), these packs allow for extended storage time, often exceeding the standard durations provided by the cooler itself.
Temperature monitoring: Some modern coolers are equipped with thermometers or digital displays that help users track internal temperatures. This feature is particularly useful for ensuring that breastmilk remains safe for consumption, as consistent monitoring can prevent temperature fluctuations that may compromise the milk’s quality.
Duration guidelines: According to guidelines from health organizations, breastmilk can typically be stored in a cooler with ice packs for about 24 hours. If the cooler is kept at a temperature below freezing, it can extend the safe storage time for even longer periods, but it is crucial to regularly check the conditions to ensure safety.
Related Post: