Item type 20mm Plain Watch Strap is made of Soft Silicone, which is breathable, durable, comfortable to wear, sweat & water resistant and has a novel and fashionable appearance. A perfect replacement for all styles of wristbands, replacement strap for men and womenCompatible with Amazfit GTS 2 Mini Amazfit Bip/Bip U/Pro/Lite Bip S Amazfit GTS/ 2/2e Boat Xtend Boat Xtend Pro Noise Colorfit Pulse 2 Max Grand Ultr Go Buzz Strap