This 1 piece nylon watch strap is called a Military MoD Ballistic Nylon watch band. It is often worn by military personal, police, and divers. This one-piece 18mm watch band weaves through both lugs of the watch and under your watch. If one spring bar breaks, the remaining spring bar will hold the strap and your watch to your wrist. Great safety feature if you are active. Shiny, stainless-steel buckle and keeper rings. hickness is about 1.2mm. Length = 10.5" (if too long the end can be cut and sealed with a lighter)