1. Material: metal, 304L stainless steel
2. Easy to adjust the length to fit your wrist
3. Comfortable to wear
4. Easy to install and will not harm the watch
5. The card slot of the watch case fits very closely with the movement, so it is firm and not lost
6. Double safety buckle design, not easy to fall off
7. Suitable for wrist: 145-215mm
8. Note: The product only has a strap, not the main body