Homesmiths Door Stopper Stainless Steel is made of high quality steel material, thus is highly durable and long lasting. To avoid floor damage, you can place one on each door. It is used to hold a door open or closed, or to keep a door from opening too far. Typically used to prevent a door from colliding with a wall-mounted obstacle, hence protecting your walls and doors from damage. It is ideal for use in the bathroom, public offices, quiet study rooms, libraries, and bedrooms, among other places.