Thin Invisible Stainless Steel Black Door Stop Magnetic Floor Mount Hidden Automatic Suction Door Stopper Holder Catch Doorstop The door stop is made of stainless steel, strong and anti-rust, long service life, no need to replace in a long for time. Easy to Install: Each door stop is equipped with mounting screws. Using screws to permanently fix on the floor will be more. With specially designed soft catch function, the door stop will prevent the door from closing suddenly. You can stop and keep any door in a soft and silent way. Protect the wall from damage. Invisible design door stop. Can be used in homes, offices, hotels, workstations, bedroom, living room, kitchen, office, cabinets, and so on.