Features: brand new and high qualityThe shortest waist bag is 790mm, and the maximum can be adjusted to 1080mm;Using breathable mesh material, light as a wing, strong air permeability and fast heat dissipation;The soft diving material is breathable, comfortable, delicate and elastic, and shockproof;The three-layer rubber elastic waterproof material can effectively prevent sweat from penetrating into the arm bag to protect the phone;You can put down 6-inch mobile phones, for key wallets, cigarette paper towels and other items necessary for outdoor running and travel;Night for vision reflective strip: strong reflective effect, allowing you to exercise at night without worries to increase the safety of night running.Specifications: Material: NeopreneWeight: approx.75gColor: Black/Blue/Green/Orange/Rose RedFolded Size: approx.9.5x38.5cm/3.74x15.16inPackage Includes: 1 x Waist Bagnote: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!