1. Material: Silicone+Magnetic
2. Silicone dirt resistant, waterproof and sweat proof
3. Magnetic Folding Buckle design, simple to use, easy to put on and take off
4. The length of the strap is easy to adjust to fit your wrist
5. Suitable wrist circumference: 5.5-8.7inches
6. Selling only one strap without the watch body