Material: diving material + waterproof coatingWaterproof and breathable: The waist bag is made of high-quality Lycra material, which feels smooth and delicate, and can achieveEffective waterproof and sweatproof;Elastic adjustment belt: The waist bag adopts high-quality elastic webbing, which is elastic and comfortable to wear, and can be used for a long time.Simple design: 6-inch screen can be placed in a single pocket design, easy and simple, for runningReduce the burden; at the same time, the waist is equipped with headphone holes, music accompanies you, and you can enjoy sports.Expanded size: 25CM*11CMWaist bag weight: about 60gApplicable waist: 67CM-120CM