1. Material: Silicone+Magnetic
2. Silicone is dirt resistant, waterproof, and sweat resistant
3. Magnetic buckle design, easy 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: 5.5-8.7 inch
6. Selling only one strap without the watch body
20mm compatible models: Suitable for Huami Amazfit Active, Huami Amazfit GTR Mini, Huami Amazfit Bip 3 Pro, Huami Amazfit Bip 3, Huami Amazfit GTS4 Mini, Huami Amazfit GTS 3, Huami Amazfit GTS 2e, Huami Amazfit GTS 2 Mini , Huami Amazfit GTS 2, Huami Amazfit Pop Pro, Huami Amazfit Pop, Huami Amazfit BIP U, Huami Amazfit GTR 42mm, Huami Amazfit GTS, Huami Amazfit Bip, Huami Amazfit Bip Lite, Huami Amazfit Bip 1S