Material: The door stopper is made of zinc alloy, anti-rust and durable. Unlike other door stops, our magnetic door stops can be rotated at the joints to improve suction and effectively prevent wind Strong magnetic attraction: The magnetic door stopper prevents your door from slamming with card door technology built-in soft, and has the soft card door feature, which can softly and quietly stop any doorWide range of uses: install walls, baseboards and doors in all residential applications; suitable for homes, bedrooms, bathrooms, hotels, apartments, offices, etc. Installation method: 3M adhesive tape can be used, no need to drill, or permanent installation with screws, more durable, please note that 3M plastic door stopper is suitable for smooth, flat and dry surfaces, not suitable for dry walls and uneven surfaces, so it is very durable and highly recommended for screw installation.