1. Material: Titanium alloy
2. Titanium alloy material is lightweight and not heavy, making it more comfortable to wear
3. Waterproof, sweat resistant, dirt resistant, easy to clean
4. The length can be adjusted, making it easier to wear the safety buckle
5. Suitable wrist size: 4.9-8.9 inches
6. Selling only one strap, not including the watch body