LARGE CAPACITY: Size of breastmilk cooler bag 8.66 * 7 * 8.66 inch, it can store 6 baby bottles up to 9 ounces, Suitable for most milk bottles and 330 ml beverage cans on the market. Could be a lunch bag too. | PERFECT INSULATION: Made of water resistant polyester outer layer, PE foam middle layer and leak-proof insulated liner, the baby bottle bag has great insolation that keeps milk fresh up to 12 hours with ice pack, and it is easy to clean. The small cooler bag thickened sandwiched structure to ensure constant temperature. | LONG-LASTING: Our breast milk cooler bag with ice pack is made of leak-proof and waterproof polyester fabric. Easy-clean lining for added convenience. Durable and convenient, this baby bottle bag is an essential accessory for parents on the go. | HUMANIZED DESIGN: The top handle with detachable buckle makes it easy to put the daycare bag on the stroller and release your hands. Mom bag with two-way zippers open make put in and take out easy. Necessary for nursing mom shopping and outdoor with baby | LEAKPROOF & WATERPROOF: Baby Bottle Tote Bag is made of high Polyester dirt-proof and waterproof fabric, The lining of cooler bag for breast milk storage are leak-proof and wipe-able, Simple cleaning. Smooth mental zipper operating at ease