This Mummy bag is made of  the premium quality cotton texture Oxford cloth, No chemical residue, zipper closure, easy to wipe clean, durable and waterproof. Diaper bag has separate storage pockets, you can take in the milk bottle, water bottle, baby clothes, baby diapers, towels and so on in different separate pockets. This diaper bag can use as backpack, handbag and fits stroll, or handbag. It's very elegant and suitable for many occasion like shopping, going out, traveling etc. The waterproof internal pocket is very easy to wipe clean, you don't need to afraid of the spill of milk or water