The item is a premium and practical safety door stopper, which made of and rubber material. The door stopper is a product that can prevent collision and protect your kids' finger being hurt. Perfect for home, office and more. These door wedges will stop your door from moving. Features - Color: Black. - Material: Rubber. - Size: About 11x3.9x3cm/4.32x1.53x1.18inch. - Made of rubber material, it's and not easy to be broken. - These door wedges will stop your door from moving. Perfect for home, office and more. - Used to securely open doors, ensuring that your pet or baby remain safe from slamming doors. - This door stopper works on , including carpet, wood, tiles and concrete, without scratching the floor. - Anti-skid wedge bottom with rubber holds the door steadily and prevents it from sudden slamming. Package list: 12 stop wedges