Buckle closure 【Premium Quality Silicone Watch Bands】cobee straps are made of high-quality environmentally friendly super soft silicone, no odor, no harm, no allergy concerns, no sharp edges, light weight, flexible but quiet strong, the strap can be repeatedly washed without fading. 【Good Wearing Experience】Soft silicone rubber surface and textured non-slip back, waterproof, breathable, sweat resistant, and washable. Perfect for outdoor fitness, sports, any type of workout, or everyday use. 【Band Length】Fit wrists from about 5.7inch to about 8.3inch around, Length: 194mm | Thickness 3.3mm, 9 holes on the strap which will comfortably fit most men and women. 【Easy and Convenient Replacement】Removing the traditional watch strap requires a metal tool, but the quick install and release rubber straps only need your hand. Watch bands are built-in stainless steel quick-release pins, which makes them really easy to install and remove. You can quickly install the watch strap within seconds. 【Compatibility】These straps are compatible with any watch (traditional or smart watch) that uses a standard 18mm/20mm/22mm spring bar. Measure the internal distance between the two lugs on your watch case. The lug width of your watch is the exact width of the strap you choose, otherwise, the spring bars will not fit correctly. This stylish silicone watch band can be worn with any style of clothing and is suitable for many occasions.