The Medela breast milk cooler is a great basic breast milk cooler that’s perfect for bringing milk home from work. Triple-layer Nanocell™ insulation paired with an included gel ice pack keep your little one's food fresh for hours while on-the-go. We spoke with two moms on the BabyCenter editorial team who used breast milk coolers and told us about the bag they both used, and how its features helped them carry their milk safely. milk can be kept cold for up to 20 hours (longer than most of the other options on our list) and users say the thermos really does keep milk cold.

Place your bottle safely inside the insulated flask, seal with the leakproof lid, and wait 10-15 minutes until your milk has defrosted and is cozy warm. MORE PRACTICAL DESIGN】We design this breast milk storing bag by heart and make it much more practical and friendly. In general, baby bottle cooler bags require a separate ice pack, but some are all-in-one, with a removable ice pack in a sleeve, or fully integrated into the bag.It’s designed for four 5-ounce bottles (which are included), so if you’re headed out for a full day adventure or have a baby who loves their milk, this may not hold as much as you’d like. Simple and inexpensive, this bag gets our top spot because it has everything you need in a cooler and one special feature: It's taller than most cooler bags, meaning it can hold larger bottles.

Or, how about ditching the bag altogether and just pumping right into a bottle that keeps your breastmilk cold for 20+ hours? According to the Centers for Disease Control and Prevention, freshly expressed breast milk can be left in an insulated cooler with frozen ice packs for up to 24 hours. Please note that the graduations on the bags are for guidance only - for accurate measurements please use a sterile feeding bottle that complies with EN14350 or a more accurate measuring device. The contoured ice pack is specially designed for Medela bottles and maximises breast milk storage time.It is a bit bigger than some of the other options on our list, but that also means it can hold four 8-ounce bottles, which is great for older babies and toddler-sized cups. With thicken insulation of 8mm pearl sponge, this bag can keep warmth or coolness of food up to 5 hours even without an ice pack, while being so waterproof from food spilling or stain. If you’re willing to spend a little extra money on a cooler bag, you might love the Sarah Wells Cold Gold cooler bag.

Thawing Breast milk should always be defrosted in the fridge overnight, however if time is short, defrost by placing in warm (not hot) water. It’s comprised of five easy-to-clean pieces, including an inner chamber for storing milk and the outer chamber which can actively chill freshly pumped milk with the addition of ice water. Instructions to Transport Frozen Milk: Remove ice pack and frozen milk from bags or from our Mila's Keeper Glass Storage Bottles from the freezer.

While not the most essential feature, it might be helpful if the bottle cooler includes extra storage space for your keys, wallet, or other personal items. It doesn't really matter what you carry to safely hold your milk, lookswise, but this beauty makes you feel a little more on-trend. So if you're pumping while traveling or at work, your breast milk cooler bag is the day-to-day way you'll carry your milk home to your baby to drink.