Item Type: Insulated Baby Bottle Bag Material: Polyester, Nylon Function: Heat preservation and waterproof Capacity: 2pcs Baby bottle (3L) Package List 1 x Insulated Baby Bottle Bag 1Portable: Baby bottle bag adopted detachable buckle design ensures that you have two ways to carry it in your hand or hanging on a stroller. 2Keep Temperature: Milk bag with insulated lining keeps the bottle cool or warm, helping to keep your food or drink at its perfect temperature. 3Waterproof: Baby milk bottle bag adopted waterproof fabric inside and outside, if the liquid spills, simply wipe it with a cloth or paper towel. 4Capacity: Breastmilk insulated bag with perfect capacity, allow you can put 2pcs 3l milk bottle in it, suitable for traveling, outdoors, trips use. 5Safe Nylon: Milk bottle bag made of polyester and nylon materials, safe and skin friendly, to provide healthy food insulation services for babies.