Features: Windproof, quiet, and door stopper with zincs alloys construction ensures secure, quiet closure and protects against door slams in high wind areas like coastal regions or high rise building. Engineered with mechanical floor suction technology and corrosions resistant zincs alloys, this door holder prevents collisions while maintaining quiet operations and zeros magnetic interferences. Perfect for families with infants, noise sensitive workspaces, and teches facilities requiring like server rooms or smart home installations. Secures doors effectively in wind prone locations including balconies, office corridors, and seaside apartments while protecting wall from impacts damage. Combines heavy type wind resistance with whispers close performances, featuring simple installation for quick upgrades to residential or commercial door hardware systems. Specifications: Color:7 Choices Dimension:63x30x37mm/2.48×1.18×1.46in Component:zincs alloys Package Includes: 1set Zincs alloys door stoppers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.