DOOR & WALL PROTECTOR -- Door holder to keep door open, no more door slamming and prevent door from damage. A good way to solve all troubles: a breeze blew and the door slammed shut; naught kids or pets shut the door suddenly; or your door have a tendency of not staying open or closed; carry things but no hand to open door............ STRONG MAGNET -- Magnetic door stops have super strong magnet, hold door open firmly. After testing, the magnet of door stoppers can withstand door opening/closing repeatedly. For heavy doors, our magnetic door stopper still can keep door open in strong wind, no need to frequent replacement. DURABLE QUALITY & 4 PACK – Black door stops features in solid stainless steel, rust-proof, sturdy and durable. Passing 10,000 times test, our floor door stopper provides longer service life than other magnetic door catch in market. More, 4 pack doorstops are more econimical and practical, meet needs at once. SOFT CATCH TECHNOLOGY -- With integrated soft-catch doors technology and exquisite spring buffer, door stopper magnetic prevent the door from slamming and shutting, stop and hold doors softly and silently. Magnetic door stop also design with detachable cover, conceal the mounting screws, nice look to match well with any home decor. STABLE INSTALLATION -- With triangle mounting base, you can always believe the stability of our magnet door stop rather than adhesive magnetic door stopper. Wall door stop with screws can resist the impact of the door, work stably on heavy doors. AFTER-SALE SERVICE -- Screw hardware and guide are included for quickly install. If you have any problem with our magnetic door stop black, please feel free to tell us and we will provide you a satisfying reply within 24 hours.