[Premium Material] The soft strap is made of high quality fluoroelastomer with great abrasion resistance and high temperature resistance, suitable for daily use and in harsh environments [Cuttable] Trimmable design allows you to trim the strap to the perfect length, ensuring a snug and secure fit on any wrist size (we recommend cutting one section at a time to avoid cutting too much of the strap) [Quick Disassembly] The Viton strap features a spring-loaded quick release lever that replaces the traditional pin, allowing you to replace the belt in seconds by simply sliding the lever with your finger. The included auxiliary tool can help you remove the old band [Excellent Performance] Highly water and sweat resistant, this strap is perfect for active lifestyles and ideal for swimming, diving or other sports. And more importantly, it will not attract dust [Packing List & Premium Service] FKM Fluoroelastomer Strap *1, Replacement Tool*1. If you have any questions, please feel free to contact us, we will reply you within 24 hours