Double Layers The breastmilk storage bag top layer can store breast pump and other baby items The bottom layer has a detachable partition which allows you to freely adjust the size of the space used to store breast milk bottles Portable The breast pump tote bag with adjustable strap can be as a cross body bag tote Use high quality zipperand big opening to take out the contents of the bag convenient Size The diaper bag size is 1063L61W945H Made of high quality Oxford waterproof fabric easy to clean Take the stylish bag anytime and anywhere Multifunction The breastmilk storage bag is very elegant and suitable for many occasion like shopping working a small traveletc Inside the upper and lower levels are EVA which not only as a breast pump bag but also can use as a lunch bag Bag Care Daily cleaning just use wet towel to wipe it Or you can wash by hand with a mild detergent then hang upside down to dry