Heavy duty rubber door stopper: The door stopper is made of high quality durable rubber and designed with a wedge shape. Keep doors wide open and prevent children or pets from slamming the door and accidentally locking themselves in a room. Suitable for most floors: flat corrugated surface, high strength and firm adhesion to tile, concrete, wooden floor, leave no marks on tile and floor, no noise, no scratches on door and floor. For spacing different: 1 door stopper can fit the gap between door and floor from 5mm to 30mm. If the space is too wide, you can overlap two. Under your door before ordering to be sure our cap will fit. Size: Length:95.0mm, width:48.5mm, height:30.3mm. See picture for details Easy to store: The door stopper doesn't take up much space and can be hung up when you don't need it. It works well on all floors in homes, offices, shopping malls, etc.