Material - These door-stop wall protectors are made of rubber material, which is strong and flexible, thick, durable, and not easy to deform. Not easy to fade, crack, or deform after long-term use.Design - The non-slip rubber door stop wedges feature a hollow design at the bottom, which can enhance friction to maintain the door latch angle, providing excellent bite and grip even on rough or uneven surfaces. Feature - The door stop can effectively prevent slipping, keep the door stable and not move, and can effectively prevent the door from closing by itself, resist strong winds, and prevent locking. Widely Applicable - The rubber door stopper wedge is suitable for wooden doors, glass doors, and steel doors. The door stop wedge is perfect for various door bottoms on carpets, concrete, linoleum, tiles, stone, and wooden floors.Specification:Color: BlackMaterial: RubberSize: 12 x 3 x 3 cm / 4.72 x 1.18 x 1.18” (L x W x H)Package: 4Pcs x Door Stoppers