Features: Multi-color optional, skin-friendly and breathable, actual machine configuration, so you can choose a variety of styles and provide you with a comfortable experience. The skin-friendly material makes people feel comfortable and smooth. The flexible and breathable material is used to precisely adapt to the design around the wrist, making it more comfortable to wear. It has a lot of performance, not only wear resistance, no deformation, but also the product is non toxic, odorless, harmless to the human body, and has a long service life. Softness is moderate, very comfortable wear. Compression molding, sturdy and durable. The size can be adjusted according to the circumstance of the individual wrist. Specifications: Material:Nylon Size: Approx.21.5x2.2x0.5cm/8.46x0.86x0.19inch Color:Black/Red/Orange/Pink/Dark Blue/Gray/Rainbow/Denim Color/Black White/Red White/Red Black/Blue White/Pink White for HuamiAmazfit for T Rex 2 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Nylon Strap