3M adhesive is fixed on the wall, easy to remove and install, only one minute to install and finish the work. Always use the Material of the best Quality - Constructed of high quality 304 stainless steel, sturdy and rust-proof. Works everywhere in your home or office. This innovative door stop can be mounted to almost any kind of wall including ceramic, glass, marble, metal, wood, plastic, paint, hard leather, diatom mud and more. Be sure to clean away dust, moisture, oil, or pealing paint before application. Strong Magnetic - The Magnet is strong enough to hold and stop the door, protects your walls from unsightly damage and conveniently holds your door open. WALL / FLOOR MOUNTED: with two mounted option, the post can be mounted vertically onto the floor or horizontally onto the wall.