The item for sale is a brand new, aftermarket replacement, soft silicone Oyster flex Top Quality rubber, Grey diver strap. It will will fit your Rolex Datejust, Daytona Gmt, Submariner,Yachtmaster, Explorer watch which has 20mm lugs.This Strap is made of Highest Quality PVC Soft RubberLong Part : 80mmShort Part: 60mm Thickness at lugs: 7mm Thickness at buckle: 3mmSmall Width at Buckle: 14mmNo logo or markings on the straps. You get 1 set (2) rubber straps and it comes with 2 free spring bars.We also carry with buckles in Brushed, Shiny center, Gold, Rose, Black Pvd and they are available and listed in our store for you to purchase.Customers have commented that our straps are softer and better than the original, the best quality online.All Customers Please Read The Following Before Purchasing:Be sure to check our detailed measurement guide below or in the photos/images section of the listing to assist you with purchasing the correct parts for your watch. The guide will show you how to measure the lug width opening of your watch using a ruler, how to check your model number, and assist you with other questions you may have regarding measurement. Many watches appear the same but may be different in case size or year model. This will help to avoid any returns or exchanges. We are also an email away to assist with any questions you may have. Thank you for your business!100% Satisfaction Guarantee!