Gemony Premiun Ballistic Nylon Watch Band NATO Strap 20mm Specification: Band width 20mm suitable for watch case with diameter 38mm-42mm; total length of the band is 270mm (include buckle); 1.2mm thick,;adjustable wrist size 6"-9"(15mm-23mm) Premium Ballistic Nylon Watch Strap:Gemony Watch Straps are made by 100% Nylon. Distinguish to other bands which are using polysters or mix fabrics, Gemony bands are lightweight, breathable, softer, less shrink and more durable. High Quality Metal Buckle: Watch Strap uses #304 stainless steel buckle which will avoid corrosion of sweat.Besides, solid metal buckle feels more texture. LASER CUT, ULTRASONICALLY WELDED, WATER PROOF and WASHABLE: Laser cut to eliminate fraying; Ultrasonic welding combines two pieces of nylon into one homogenous piece. Knockoffs use glue and cheap stitching; Stink resistant and machine washable. Other watch bands can cultivate bacteria. Exquisite and Functional Gift Box: we also provide a gift box for each watch strap. It is not only a storage box, but can also be used as watch stand