For Huami Amazfit GTS/BIP/BIP Lite 20mm Gradient Color Smart Watch Strap Top Layer Cowhide Leather Watchband - Silver / Black Made of top-layer cowhide leather, soft and comfortable wear Cowhide leather surface, delicate and stylish Polished stainless steel buckle make it easy to adjust the size An ideal replacement watch strap for your old, broken one Easy to install and remove Specification: Wrist circumference: 5.5-8.1 inches Length: 3.5 4.6 inches Lug Width: 20mm Material: Cowhide Leather Stainless Steel Compatible with: Huami Amazfit GTS/BIP/BIP Lite Package included: 1 x Watch Strap Strap only, watch not included