Great for storage diapers,sanitary napkins,underwear, socks, swimming suits,travel items, etc. Reusable, Portable, Lightweight, Zipper closure.The buckle strap can be suspended in wrist and stroller for convenience. M style has one zippers. L style has two zippers.Two zip pockets design, one pocket for dry diaper, another one for wet diaper. Polyester.This product can store dry or wet items, but cannot be stored with water and items. Although the product fabric is coated, it is not waterproof. Size: L:30*36cm.