High quality material: The sports wrist bag is made of polyester material, which has high elasticity, good breathability, fast sweating, easy dehumidification and heat dissipation, and is sturdy and durable. Humanized design: Metal zipper, high elasticity, moisture absorbing and breathable fabric, elastic fit, humanized design, relieving wearing tension, simple and versatile, enhancing slimming effect. Large capacity: The size of the wrist strap is 10 * 15cm. It can hold a large screen phone with a size of 8.5 * 15cm or less, and has a pocket with a cover on the front, allowing you to carry your phone, keys, cards, change, and other items with you. Fine workmanship: The slider has rich texture, smooth pulling, and is sturdy and durable; Good breathability, not easy to wear, comfortable and convenient; A pocket with a lid on the back allows for neat storage of items. Suitable for various scenarios: This sports wristband is suitable for various occasions, such as running, cycling, fitness, sports, etc. It can also be used to store keys, ID cards, etc.