Compatible with Apple Watch 49mm/45mm/44mm/42mm : The leather strap is compatible with all Apple Watch 42/44/45/49mm models. High quality material : Genuine leather substitute strap, equipped with precision polished black stainless steel buckle, crafted with high-quality craftsmanship, matching the surface, classic and elegant, perfect for business and leisure occasions. Easy to install : The upgraded adapter is seamlessly connected to the dial, with magnetic adsorption, and can safely lock the watch interface without the need for additional tools to connect pins, making it easy to install and disassemble. Suitable size : Adjustable 10 holes and 2 flexible buckles, suitable for wrists ranging from 6.3 inches to 8.6 inches (160 millimeters to 220 millimeters), can wrap around the wrist 1 circle, flexible and convenient; Fits the wrist for breathable comfort. Note: The watch is not included.