Munchkin's Cool Bottle Bag is a chic, multi-functional way to keep milk bottles cool and fresh during long stretches of time. This adjustable bag expands to hold up to 4 bottles and then folds flat for easy storage. With various compartments to store kids' bottles and feeding accessories, this bottle tote makes being on the go easy. Finally, the bag is made of durable material, so it's super easy to clean - just wipe with a damp cloth.