【Premium Quality】Our perfect parachute special elastic nylon strap is made from super stretchy elastic to ensure a perfect fit for any wrist size. This material has an exceptionally tight yet breathable, soft Twill Weave of polyester and rubber, with reinforced edges that prevents unraveling and shape change when stretched.BINLUN Special watch strap finish your timepiece deserves. 【Flexible and Adjustable】The human wrist will expand and contract dozens of times，our nylon strap will adapt and conform to your every move, both voluntary and involuntary，no matter what size wrist you have, you’ll find no greater amount of adjustability and comfort than you will with the Hook Strap. 【Upgraded Gear-Lock System】Experience upgraded comfort and security with the new hook-and-loop gear-lock system, engineered for a stable, non-slip fit even during intense activity. The enhanced beveled clasp features an ergonomic, finger-friendly design that allows effortless fastening and quick adjustment. 【Specification】Thickness: 1.5mm(0.06inches),Total length: approx.240mm(9.44inches)standard/regular length. This french marine nationale elastic nylon watch straps suitable for traditional watches with 18/20/22mm lugs and design available for 13 colors in silver & black buckle. Note: This one piece nylon watch band does not fit for smart watch. 【What You Get】1 * French Marine Nationale Elastic Nylon Watch Strap; 1 * Spring Bar Tool; 2 * Spring Bars; Please measure width of watch lug at connection point before ordering,according to your needs to choose the correct width.