1. Upgraded Size This doorway carpet protector for cats is 3.9 feet long, 15.7 inches wide, which fits for door width ranging from 27 1/2' to 35 15/16'. Please be sure to measure the width of the door, excluding the size of door frame. 2. Widened Carpet Protector The size of the carpet protector for pets has been widened. When you put this pets scratch stopper for carpet on the rug around the doorway, it will stop the destructive behavior of cats. 3. Heavyduty Plastic Ordinary thin carpet protectors easily crease and are not wearresistant. Our cat carpet protector is made of durable recyclable PVC plastic, which is very sturdy. It will protect your carpet for a long time and save you the cost of replacing the carpet. 4. Nonslip This carpet protector has many nails on the back. These nails will allow the protector to stay close to the carpet and will not be moved easily. The flat front will not hurt the cat's paws, nor will it make you slip.