Keep Cool: The insulated cooler backpack includes 1*breast milk storage box 1*baby bottle, it can keep food hot/cold for a long time. It is waterproof, easy to clean. Perfect for working men or women. The thermal bag is also suitable for lactating mothers to store and transport breast milk. Two-Layer Design: The two-layer design of this breast milk cooler bag can make fresh or hot food to be stored separately. The bottom layer fits about 6 breast milk, and the top layer is also zippered for easy on and off. LARGE CAPACITY & SMALL SIZE: The lunch/breastmilk cooler bag is 9 x 7 x 11 inches, allowing you to store up to six 9-ounce milk bottles and other things like lunch boxes. Small size bags are more comfortable to carry. High-quality material: Insulated lunch bag with the outer layer of polyester, and the inner layer is made of PEVA, which is waterproof, difficult to scratch and soak. Made of quality materials, safe for babies and adults. Different Ways to Carry: Moms can carry it as a tote, or turn it into a shoulder bag or backpack by using the shoulder strap on the bag. Let mothers free their hands when they are out. Keep Cool The insulated cooler backpack includes 1*breast milk storage box 1*baby bottle PERFECT GIFT