??IMPORTANT - (?? -1: Works well for the distance of 6mm to 15mm between the bottom of the door and the floor. Not recommended for heavy doors. PLEASE CHECK THE DISTANCE BETWEEN THE DOOR AND THE FLOOR before ordering! (?? - 2: Please make sure there is no dust and keep the door and floor clean when installing the stopper with 3m adhesive tape. Invisible and Rustproof- Concealed design of magnetic door holder, anti-kick, anti-collision , Unbound Space Planning, Powerful Stainless Steel Magnetic Door Stop Modern design brings style and function to the home or office, quiet, waterproof and reusable, greatly contributes to the peace and quiet in your home or workplace. STRONG MAGNETIC PROTECTIONDiameter 2.55 Inch, Base Plate Height: 0.15 Inch, Made of high quality SUS 304 stainless steel, additional chromium/nickel content 18/10, brushed stainless steel surface, resistant to daily scratches and corrosion. Modern design, strong door stop with hidden screw holes, holds and catches the door. INVISIBLE SUCTION DOOR STOPPERS SUITABLE FOR DOOR SEAMS WITHIN APPROX 2 INSTALLATION METHODS - You can choose double-sided tape on the door, protects your door and wall from damage; There are also screw holes equipped for punching installation, more stable and durable. Invisible screw hole, easy to clean, fashionable and generous. Durable, simple and elegant design, also not easy to hide. Convenient and useful tools for home, office, hotel. 100% MONEY BACK GUARANTEEWe are so confident that you will love this revolutionary product that we back it with a 100% satisfaction guarantee. If you are not satisfied with your purchase, simply contact us and we will return your money!