Door Height with Strong Permanent Fits Gaps of 4mm To 25mm Under the Door Magnetic Made of Easy To Install Just by Sticking It Securely Stops Front

[High-quality material] The door stopper is made of zinc die-casting, which is rust-resistant and durable. [Height adjustable] The length of the door stopper magnet body can be adjusted. The height can be adjusted by 16 mm. [Two installation methods] Easy to install with a strong adhesive sheet. Does not scratch doors or floors. If the installation base is rough, the adhesive strength will be extremely reduced, so please use the included screws to secure it in place. [Strong magnetic auto-lock system] The magnetic door stopper has a slim design, and the powerful magnet can reliably block the door; when the body of the door stopper is positioned above the door stopper, the center of the door stopper will rise due to the magnetic force, and it will automatically lock and keep the door open. [Wide base] The wide base allows for a secure installation, and the base parts are 3mm thick, so you won't trip or get in the way when walking. It also makes it easier to clean the floor. Door stopper, height adjustable, with strong permanent magnet, suitable for gaps of 4mm to 25mm under the door, door stopper, magnetic fixation, made of metal, easy to install, just stick it on, securely stops front door and sliding door, hairline