High density polyester fiber is strong, soft and flexible. No waterproof function. It can be used to place small items such as mobile phones, and is also equipped with headphone jack. This waist bag adopts tough zipper, which is firm, easy to slide and works smoothly. Don't be afraid of the embarrassment of teeth. The belt is equipped with adjustable buckle, which can freely adjust the tightness. It can be worn at the waist or cross the chest obliquely to release both hands. Suitable for holiday travel, daily life travel, storage, etc; Not limited to men and women.