The sport waterproof fanny pack is made of wear-resistant neoprene, won’t wear out easily like other fabric constructed waist bag. Fits various waistline for the adjustable range of the strap. Loosen or tight it with the elastic strap. Water resistant effect keeps your phone and other stuff dry even it rains suddenly. The gray reflection band ensures your safety when you are running in the dark. Contains one main pocket and two pouches on both sides, which can solve the headache of placing your phone, keys, headphone, all kinds of cards and small stuff. 30 5/16" L x 3 15/16" W