Ultra Light Premium MaterialThe running belt Material is made of lycra fabric,All materials are harmless to body and environment.So the running belt can directly touch the body. The material is very soft and Breathable and Ultra light,waterproof and sweatproof.Fits comfortably to your body and no bounce. you almost can not feel it when you put it on.The running belts can hide under clothes and hard to be found.Waterproof Designthe running belts have inner TPU waterproof coating to protect your phone and other valuables safe and dry from sweat and rainwater(not fully waterproof).It can only be used for water splashing, can't soak in the water. The zipper is also water-resistant.The zipper passed thousands of tests.very strong and durable and always keep smooth when opening or closing.Large Capacity,4 separate pocketsThe Running fanny packs have 4 separate pockets including 2 large main pockets and 2 Small pockets.Suitable all kinds of cell phones, keep your cell phone from scratches.The runnin waist pack can also hold passport, keys, credit cards, money,tissue etc.It is perfect belt bags for women men when walking, running, hiking, riding bikes, fitness at the gym or outdoor.Reflective strip DesignThe running belt has reflective strip around zipper.This will help you to be safe when running in dark or night.it is very good fanny pack for running.Adjustable,Fits All waist Sizesthe running fanny pack has an Adjustable elastic band,the natural length is from 26 inch to 40 inch,And the band has good elastic,So the gym belt bags can fit more than 40" Waist because of the good elastic band. it is universal running belts for women men.Headphone hole & Reflecitive designThe running belt has a headphone hole, you can enjoy music when you are running or fitness.The running belt has reflective strip around zipper.This will help you to be safe when running in dark or night.it is very good fanny pack for running.