The item for sale is one brand new aftermarket replacement replacement rubber straps made of the Top Grade Premium Quality PU Rubber in Black color for fit Cartier Santos 100 X Large Chronograph. Length: 115mm/115mm ( approx 4.5 inch )Width: 24.5mm at the case lug and 21mm at the buckle.6mm Lugs end 1.5mm Buckle end (Thickness exact like OEM strap )These new watch strap will bring a fresh new look to the watch and will make the watch look like new.You get a set ( 2 ) PU Rubber Strap.Screw and Buckles are also available and they are listed in our store for you to buy.Guarantee to fit the Cartier watches and the 21mm Deployment Buckle.We also carry PU Rubber Strap in 24.5mm and 23mm in Black, Blue, Red, White and Orange color and they are listed in our store for you to purchase. 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 the watch. The guide will show you how to measure the lug width opening of the watch using a ruler, how to check the model number, and assist you with other questions you may have regarding measurement. Watches may share a visual resemblance, yet variations in case size or year model can distinguish them. 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 the business! 100% Satisfaction Guarantee! We sell only the best quality replacement watch parts and accessories for the watch. the satisfaction is guaranteed or the money back! We have been in the watch parts industry for over 50 years and have been selling online for over 20 years. Buy with confidence from a reputable seller in the USA that you can trust! Visit our online store for a huge selection of other watch parts.