1. Material: Silicone 2. This product is made of silicone material, which is waterproof, sweatproof, comfortable and soft.3. The strap is thickened, comfortable to wear and easy to use.4. The material has no harm to human skin and is not allergic.5. 10 kinds of color matching, suitable for wearing in various scenes. Note: The package only has the watch strap, no watch
