No construction needed! Magnetic door stopper! Because it's magnetic, it's easy to open and close the door! 1. Magnetic attraction. 2. Multi-functional: The magnetic door catch can be used on various types of doors, such as wooden doors, glass doors, and iron doors. 3. High-strength construction: The door stopper is made to last with a sturdy combination of wear-resistant PVC and stainless steel materials, with excellent durability to withstand deformation and damage. 4. Quick installation, no tools required. 5. Excellent craftsmanship: Our door stops are superior to other door stops, with no burrs or rounded edges, and are stylish and safe. Down to the details, the materials are resistant to fading, erosion, and rust. Specifications: Product Material: PVC + Stainless Steel Product Size: (approx.) 5.2 * 5.2 * 5.3 cm / 2.05 * 2.05 * 2.09 inches Product Weight: 113g