4 Pack Wall Protectors, Baby Safety Bumpers for Stairs Doors, Pressure-Sensitive Wall Guards, No Drilling Needed Welcome to our store! Actual quantity delivered: 4 pieces Material: The main body is made of high-strength and durable ABS plastic. The bottom is equipped with high-quality PE soft rubber pads to prevent marks on the wall. Non-slip: The soft rubber pad is non-slip and adheres to the wall to prevent the door from sliding. When your sweet pet knocks or the child shakes it, you don't have to worry about the door moving anymore. Multi-function: Baby-proof door bumpers are used in many types of pressure doors, such as: child door, baby safety door, baby gates, baby gates for stairs, pet gates pet cage with gate, baby gate tensioner, child gates, shower tension rod, etc. Wall pads can be used for shower curtains with tensioned rods. Top circle diameter: 8CM; inner circle diameter: 4CM, therefore be careful that the screw end does not exceed 4CM 100% Satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.