QUICK CHANGE IN SECONDS - Adjust your watch to your daily outfit quickly and easily with Barton quick release straps, so your watch fits perfectly with your work and sportswear. Just press the quick release button with your finger, as shown in the picture. CHOOSE THE SUITABLE WIDTH - Compatible with any traditional smart watch or watch that uses a standard size spring bar of 16mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm or 24mm. Quick release spring bars are integrated into the watch band, so it is very important that you choose a suitable band width. Measure where the strap will be attached to the watch case. - Please check the correct width before purchasing. Smartwatch width: Asus Zenwatch & Zenwatch 2; Fossil Q, Q Tailor, Q Gazer; Huawei Watch, Watch 2 & Watch 2 Classic; Moto360 Gen2 42 mm Women & Men, Moto360 Gen2 46 mm; LG Watch, Urbane G, Urbane R & Watch Style; Pebble 2, Pebble Round Large & most Other models of Pebbles; Samsung Galaxy, Gear S2 Classic, S3 Frontier, Gear Sport; Ticwatch 2 & E; Withings Nokia Activite, Steel HR 36 mm & Steel HR 40 mm and others. HIGH QUALITY GRAINED LEATHER & PERFECT COMFORT - Carefully selected grain leather with 316 stainless steel buckle. The specially treated underside is ultra soft and skin-friendly, reduces slippage while providing optimal comfort. OPTIMAL FIT: Total length: about 8 inches when not attached to the watch, fits 5.6-8 inch wrists, but the shape of the watch also affects the fit.