[Metal Door Stops]The 4pcs floor door stops are made of high hardness zinc alloy (with magnet), sturdy and durable, not easy to rust. The surface of the metal door stops is polished to keep the gloss for a long time. [Practical Design]The magnetic design can secure the door against sudden closing. With a thick rubber semi-circular design, the floor door stop has a buffering effect to reduce noise and vibration, and reduce collisions and better protect doors and walls. [Easy to Install]2 installation methods for your choice: there is a 3M sticker on the back;door stop for ;drill-free installation, also comes with screws and expansion tubes, you can choose the installation method according to your needs. [Better anti-collision]The magnetic door stop can fix to the floor and hold the door to prevent the door from being violently hit by the wind. Suitable for ;apartment, home or ;hotel to better protect doors and walls and ;effectively eliminate collision noise. [Package Content]The