A. Material: This door stop is made of 304 stainless steel and rubber. It is better than ordinary steel and has a relatively higher price. It is corrosion-resistant, sturdy and can withstand a certain impact force. B. Protection: This rubber door stop can help protect indoor walls, reducing damage caused by the collision and contact between the door and the wall. The rear door stop can also help protect children's fingers without harming the door gap. C. Noise and vibration reduction: The door stop can prevent some damage to the wall caused by the door handle and effectively reduce the impact sound when closing the door. D. Installation: Just peel off the film and press it on the ground to stick it, without the need for drilling. Each door stop comes with pre-installed stickers, and 4 additional stickers are provided as spares. E. Application range: Our waterproof and rust-proof door stops can be used in a wide range of places, both indoors and outdoors, such as kitchens, bedrooms, living rooms, bathrooms, offices, toilets, nurseries, gardens, etc.