High-strength Magnetic Door Suction Punch-free Invisible Suction Device Product description Features: The heavy-duty door stop is made of stainless steel, strong, strong and rust-proof. more than 70,000 tests, WINONLY doorstop will provide a longer service life than other doorstops on the market. Do you have trouble opening the door? You want to keep the door open, but there will be a blowing, and then close the door, and children will also roughly close the door, which will damage the door and walls. Now, WINONLY magnetic door stop is a good way to keep regular indoor/outdoor doors open. It is very suitable for windy areas, so the house can maintain circulation without having to avoid violently hitting the door. damage-Winonly's magnetic door stop can the door from closing suddenly through the integrated soft door technology. This technology has a soft function that can gently and quietly stop and hold any door. There is a delicate spring buffer in the lock, which will excessively absorb the of closing the door and provide better protection for the wall, so you can assured. The tug will open the door to privacy. No need to drill, two installation methods-use stickers instead of drilling, do not drill or use screws for permanent installation. If you are not sure whether our product is suitable, you can choose a packaging type first. Personally, I recommend using more screws for installation. Sometimes may damage the surface due to the magnets that work every day! mats should be used on smooth/flat/dry surfaces, not on dry walls/cement/latex painted walls and any uneven surfaces. Wide range of applications-Whether you want to keep the door open, please use electromagnetic door , such as mesh doors, residences, dormitories, offices, hotels, recreational vehicles, cabinets, terraces, campers, etc. Specification: Material: Stainless steel Size: About 5.5x7.5x5.5cm/2.16x2.95x2.16in Package List: 1x door stop Notes: Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Thanks! Due to manual measurement, please allow slight measurement deviation.