Package content: 2 pcs bottom replacement bumper strip feet 3M adhesive already applied with easy removal red tab to stick Restores premium look and performance of your Microsoft Surface Book or Surface Book 2 / 3 Made in the USA. Compatible with 15" models. (Please make sure you have a 15" and not a 13.5" Surface book. The more common size is 13.5" and you'll need to select the right size.) Keeps your Surface Book firmly in place. Select the Original version if you like to maintain the look of your device when it was new. Or, select the Extra Grip version if you need additional anti-slip performance A premium replacement if your Microsoft Surface Book or Surface Book 2 / 3 bottom base bumper strip feet fell off or are damaged. Simply remove the current feet (if still present), and remove any remaining adhesive. Using the adhesive tab on the Gecky Feet replacement strips, carefully peel away the adhesive cover, apply it to your Surface Book and secure.