CarPET Scratch Stopper - Stop Cats From Scratching Carpet at Doorway CarPET Scratch Stopper 36 - Fits standard U.S. doors that measure 35 1/2"-35 15/16" in actual width IMPORTANTTHIS PRODUCT IS AVAILABLE IN 5 DOOR SIZESMEASURE YOUR ACTUAL DOOR WIDTH (NOT THE DOOR FRAME) PRIOR TO ORDERINGSEE SIZING GUIDE IMAGETHEN USE SIZE DROP-DOWN OPTION TO SELECT CORRECT SIZE FOR YOUR NEEDS Stops cats from scratching carpets at doorways INSTANTLY This Patent Pending device saves your carpet and security deposit and requires no cutting, modification, hooks or fasteners of any kind. Simply place it in your doorway and watch the scratch problems disappear. 30 Day Money-Back Guarantee / 5 Year Warranty / Non-Electric Pet Training Mat