UGreen 20818 Sport Running Waist Pack Waterproof Belt is an ideal option for running, taking exercise, walking the dog, cycling, hiking and traveling.The large capacity allows to hold cell phone, keys, bank cards, cash and other valuables easily while doing sports outside.The size of the bag is adjustable and suitable for waist between 65cm-120cm.The Sport Running waist pack was made of high-quality waterproof material(Neoprene with Lycra),it can effectively prevent sweat and rain, keep your valuable items away from wet. the reflector bar on this running pouch automatically reflects vehicle light, thus make your running safe in the dark and it fits all smartphones up to 6 inch screen size.t.