DESIGN FEATURES: This watch band is handmade with strong ing and features a silver, gold, or black polished 316L stainless steel buckle for durability, offering a retro and luxurious appearance. SOFT MATERIAL: The front is crafted from suede leather with a natural texture and soft touch. The back is made of calfskin, providing a smooth and comfortable fit against the wrist. The middle layer includes elastic nylon to maintain flexibility and comfort. QUICK RELEASE DESIGN: Equipped with quick release spring bars for tool-free installation. Simply press the release mechanism with your finger to easily swap the watch strap. LENGTH, WRIST SIZE, AND THICKNESS: Long end measures 120mm, short end measures 80mm (excluding buckle). Fits wrist sizes from 5.7 to 7.48 inches. Thickness ranges from approximately 2.8mm to 3.3mm. COMPATIBILITY: Available in 7 colors and 3 buckle finish options. Compatible with watch lugs of 18mm, 19mm, 20mm, and 22mm, suitable for both traditional and smart watches.