Features: High Flexibility silicone door stoppers absorb 50% impact force, protecting door and wall from collision damage while reducing noise by 70% for peaceful living environment. These tool without door Bumper install in 3 second on wooden/glass door, featuring strong silicone that lasts long than rubber alternatives without toxic odors. Ideal for family with kids/Pet, renters, and frequent movers needing temporary yet reliable door Defense solution. Perfect for night time use in apartments or homes where quiet operation matters, preventing door slams and wall scratches during daily activity . Engineered with Multifunction compatibility and wear resistant construction, these silicone door protectors combine safety awake design with low maintenance functionality for modern households. Specifications: Material: Silicone Thickness: about 22.4mm/0.88inch Diameter: about 55mm/2.17inch Package Includes: 3xDoor Stoppers note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.