1. Material: Silicone+Metal Buckle
2. The material is soft and comfortable
3. Silicone waterproof, sweat proof, dirt resistant, breathable, suitable for sports and leisure
4. The metal buckle is easy to wear and can be adjusted to a suitable length
5. Suitable for wrists: 5.5-8.7 inches
6. Selling only one strap, not including the watch body