1. Reasonable design With a thickness of only 0.1CM and a weight of 65G, the ultra-thin design will never be a burden in your exercise. The fabric is made of Lycra, which is waterproof and sweat-proof, so that your items are not easily affected by the weather and remain dry. 2. Humanized adjustable belt The adjustable length of the belt is in the range of 65-110CM, which is suitable for almost any waist curve of men and women, and the belt of the elastic belt is close and comfortable. 3. Sufficient storage space The capacity of the product can be put on a 6.4-inch large-screen mobile phone, so that when you are doing sports planning, mobile phones, credit cards, Bluetooth and keys can also be easily taken out. 4.3M reflective tape The front of the product is affixed with a 3M reflective tape. This design allows you to be safe at night and enjoy the sport. 5.Applications Whether it's indoor leisure sports, outdoor activities such as hiking, cycling, running and traveling,this product should be your best choice.