This running belt waist pack is made of neoprene material. The neoprene material ensures all your items which stay dry through rain and snow. It is machine washable and made for heavy duty use. Keep your most needed items close while exercising or running errands. With your busy life style, it is so important to be able to quickly reach all must-have stuff. Adjustable waist pouch also can be a wallet, tool kit, bottler holder makes it to be a good gift for any outdoor or fitness lover and sports.