Wall Protector Our door bumper is designed small round style,made of high-quality clear silicone gel material, it easily blends into most walls and surfaces. And very durable, and will never crack or break, so you can protect your walls for years to come. Excellent wall protection solution Our door stoppers are highly shock absorbent, they will absorb the sound and the impact when the doorknob hits it. No more slamming noise from the door and no more doorknobdamaging your walls.