Each HNS watch strap is made from ballistic nylon, 316L high quality solid stainless steel buckle and loop keeper ensures a good tight fit and rust resistant,which is the strongest you can buy for your watch. The edges and holds of the straps are ultrasonic welded to ensure that it is free from frills and rough shard edges,and the ends are heat sealed well! Our watch straps will last for many years to come and the best way to give your watch that unique look. - Length About : 260mm-280mm / 10.25"-11'' inch - Thickness: 1.2mm - Buckle & Hardware Keeper Finish: 316L Stainless Steel