Large Capacity: Breastmilk cooler bag size: 8.66 * 7 * 8.66 inch, which fits 6 baby bottles up to 9 ounce. Suitable for most milk bottles and 330 ml beverage cans on the market. It can be used as a lunch bag also | Nice Insulation: Mancro baby bottle bag for daycare is made of water resistant polyester outer layer, PE foam middle layer and leak-proof insulated liner, easy to clean. The small cooler bag thickened sandwiched structure to ensure constant temperature. Keeps breast milk or food cool and warm for a long time | Smart 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 | Including Ice Pack: The breastmilk storage bag is equipped with an ice pack. The blue ice pack needs to inject water in. Please use refer to notice | Leakproof & Waterproof: The 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