Product Name: 20mm Compatible Rubber Strap for Rolex - Black Oysterflex Type This is a new, aftermarket compatible rubber strap for Rolex. Suitable for Submariner, GMT Master II, Daytona, and other models with a 20mm lug width. Color: Black Size: Lug width: 20mm Width at buckle side: 16mm/9mm Length: 70mm/50mm *The 70mm side can be cut to shorten. The curved design of the strap provides a comfortable fit on the wrist. *This product includes the strap only. Please note that the watch itself is not included in the example images.