Feature: 1. Can be installed on almost any type of wall, including ceramic, glass, marble, metal, wood, plastic, etc. 2. Can be fixed on the wall with adhesive, easy to disassemble and install, it only takes one minute to complete the installation and work. 3. Strong magnetism is enough to support and stop the door, protect the wall from unsightly damage, and conveniently keep the door open. 4. With two installation options, the column can be installed vertically on the floor or horizontally on the wall. 5. High‑quality materials, made of high‑quality stainless steel, strong and rust‑proof. Specification: Condition: 100% Brand New Item Type: Door Stopper Size: Approx. 4.8 x 8cm/1.9 x 3.1in Scope of Application: Any Type of Wall. Package List: 4 x Columns4 x Door Stoppers8 x Screws8 x Expansion Tubes4 x Nuts4 x Washers4 x Accessories