Features: A variety of colors for you to choose, the material is harmless to human skin, environmentally friendly, safe, and non-allergic. High quality silicone strap, very comfortable to wear. Fine workmanship, perfect style, waterproof, sweatproof, comfortable and soft. Made of high-quality silicone material, durable. Stylish and elegant appearance, highlight your personality. The strap is comfortable to wear, easy to use, high-quality choice. Specifications: Material:Silicone Size: Approx.13.6x10.15x2cm/5.35x3.99x0.78inch Color: Rock for Grey/Lavender/Pine Needle Green/Teal/Dark Blue/Pink/Orange/Red/Black/White for AmazfitBip3 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 Silicone Strap