1.Universal size: with an inside diameter of 0.39 inches and an outer diameter of 0.5 inches, this door stop cover is large enough to cover the door stop with the width of 0.39 inch, including spring type, fixed type, wall mounted type and hinge type 2.Widely applied: you can replace the worn and dirty protective cover with these door stop bumpers to avoid destroying walls, doors, etc.; If you put them on the top of the door stop, you will have a nice feeling 3.Easy to install: the door rubber stop bumper is easy to use and can be installed without additional hardware or tools, and you can quickly install them to your door or within few seconds 4.Quality material: these door stop bumper tips are made of quality and strong rubber material, which is very durable, will not crack or discolor, and has a good protective effect 5.Package includes: you'll get 40 door stopper replacement coversenough for you to replace the door stopper covers in your home, and keep some of them for emergencies