Sportsrain Pack 2 Waterproof Dual Pocket Running Belts Black and Blue Pockets made of high quality. Belt is nylon Dual pockets lets you separate phone and keys to avoid scratching. Sweat-proof and rain-proof, keep your valuables dry while you exercise (waterproof) Great for running, cycling, hiking, walking, going to the gym or any other athletic activity. Can also be used as a money belt for hidden storage during travels Fully adjustable, fits 27" - 43" waists. Comfortable elastic strap keeps your belt from bouncing and chafing