1Adopt good quality material, durable to use, waterproof and wearable, washable. 2Zipper design, convenient for storing various items like cellphone, wallet, keys, etc. 3With holes for letting belt coming through, can help keep bag stable, do not need to worry lose it. 4Nylon waist bag is comfortable to wear, adjustable, suitable for almost people. 5Convenient for outdoors sports, can be concentrate on your own business.