Made of high quality PVC, eco-friendly, odorless and non-toxic, safe for daily use. It does not break easily. The non-slip bottom holds the door firmly and prevents it from suddenly slamming. Used to open doors safely, ensuring your pet company or baby stays safe from slamming doors. Cute, colorful cartoon designs that everyone will love, whether at home or at the This cute door stopper cat door sticker works on all surfaces including carpet, wood, tile and concrete without scratching the floor.