Material: Nylon LycraApplicable gender: Unisex / Men and womenWeight: about 87gSize: about 27 * 12cmOpening method: zipperSports Bag Type: Outdoor BagFunction: Ultra-thin invisible waist bagApplicable scenes: running, cycling, mountain climbing, fitness, yoga, outing and other sports11. Convenient headphone hole design, reserve headphone hole, and experience the enjoyment accompanied by music during sports. 22. Ultra-thin, lightweight, easy to carry when exercising, waterproof and anti-shake 33. Tiled waist is about 65cm, stretched waist is about 140cm, high elastic waist belt, comfortable, elastic band, easy adjustment, strong fastener, safe and comfortable. 44. Built-in multiple independent compartments, multiple compartments, to solve the trouble and monotony of traditional belts without compartments, easy to carry items. 55. Fluorescent reflective warning, fluorescent strip reflective warning design at the zipper strip, can play a warning role at night, safer movement at night.