Imported soft environmental silicone rubber which is durable waterproof, fits comfortably on your wrist. The maintenance free stainless steel buckle resists corrosion. 2 extra spring bars enables you to easily change the watch strap yourself. Fits watches with a 19mm lug width. Featuring lightweight, sturdy,soft and flexible, perfect for those with an active lifestyle. Specification: Material: Imported Silicone, Stainless Steel Long strap approx. 117mm/ 4.6 inch Short strap approx. 78mm/ 3.07 inch Thickness approx. 3.5mm/ 0.13 inch Package Includes: 1 Piece Silicone Watch Strap 4 Pieces Spring Bar Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.