For Huami Amazfit GTS3/Amazfit Bip U Replacement Smart Watch Strap Top Layer Cowhide Adjustable Wrist Band - Dark Brown Top layer cowhide material, soft and comfortable to wear Metal buckle closure for easy wearing or taking off Holes on the strap make it easy to adjust the size An ideal replacement watch strap for your old, broken one Specification: Material: top layer cowhide Size: 12.6+8.6cm Width: 20mm Dial size: 33mm Wrist Circumference: 5.5"-8.7" Compatible with: Huami Amazfit GTS3 Huami Amazfit Bip U Package included: 1 x Watch Strap Strap only, watch not included