Four Different SizesTotal 8 PCS cat anti-scratching protector include 2 PCS(17.7"*11.8") + 2 PCS(17.7"*7.9") + 2 PCS(18.9"*5.9") + 2 PCS(15.7"*5.5") and 40* screw pins . That can prevent your cat from scratching your furniture and it will not damage the appearance of couch. High Quality MaterialsMade of Non-Toxic transparent high quality material, it's durable and thick enough to against your pet scratch Easy To Install And RemoveStick the pad where you want to protect and secure it with pins. The screw pins are simple to disconnect that it can be reused. A Variety Of ScenariosThe cat furniture protectors can be installed on the sofa and other furnitures; BUT It's not recommended to use it on faux or leather sofa, because the self adhesive mat may destroy leather surface.