WHY GET EXCITED ABOUT A FLOOR DOOR STOPPER? These things are strong! And sturdy! It's attractive looking too, not like the big ugly rubber ones you see in office buildings or schools. They are not light-weight nor do they slide around on the floor. When you use these to hold a door open they stay put. They are very sleek and stylish looking and fit your decor perfectly. The rubberized exterior rim does not scuff the doors. This stopper will not scratch your delicate flooring,it can be used on carpet,wooden floors,or this door stopper also can be used on granite or concrete flooring. They have perfect non-skid on the bottom and won't move with the weight of the door. If you are dealing with higher lifted doors, the stoppers can be placed one on top of the other and will constitute the same reliable guard as taken alone. In spite of its discrete presence, the door stopper successfully holds even heavy doors and does not slip, no matter if it’s placed on hone,parquet, marble or granite. Its hardness will ensure dogs won’t chew it and kids won’t play with it. No Tools, No Drilling Needed You don’t have to be a handyman to install our door wedge! Just place them on the floor against your door and they will reliably hold your door open. A one-hand operation that saves your time and energy! Fully Protection For Your Floor The special rubber bottom of our door holders treats your floor with utmost respect! Soft and flexible, it makes the perfect non-slip surface for your robust doorstop to grip tightly on your tile, wooden floor or other floor, protecting it from scratches and unsightly damage! Package: 1* door stopper (Weight: 1KG/2.2lb) Note: Please kindly check your door gap and product size before you purchase,thank you!