Strong and Durable - The magnet is very strong to hold the door open and prevent it from swinging to prevent the door from hitting the wall or other object behind the door. The magnet has a spring inside the receiver to absorb the shock. It is not terribly noisy or annoying, but it is something to keep in mind. The lower profile of the mini size door holder will not let the door protrude much, which is suitable for a more compact space. No more kicking the door stopper in the hallway. No hole to drill! - Just attach the adhesive pad to the base, then stick it on the door or wall, and wait at least 24 hours to achieve the best effect. The purpose is to prevent the door handle from hitting the furniture behind the door, such as the wall, wallpaper, radiator, cabinet, countertop, electrical appliances, window, etc. Size: Total length: 7cm, Base diameter: 5.5cm,Please note that the round magnetic heads are not stainless steel. They are shorter than a standard door stop, please check that