1. Robust door stopper: Made from high-quality alloy for durability. The surface treatment through stainless steel wire drawing effectively prevents rust and corrosion, making it suitable for bathrooms and damp outdoor environments. Suitable for both indoor and outdoor use. Durable door stoppers provide a longer life and reliable hold for your home. 2. Adjustable metal door stopper: Can be adjusted to the height of the door gap from 10-20 mm. The invisible door stopper will not trip children and does not interfere with daily cleaning. 3. Two installation methods: The door stopper base is supplied with double-sided tape and mounting screws. Adhesive requires no drilling and is suitable for smooth and flat surfaces, not recommended for drywall and uneven surfaces. You can also use screws for permanent installation, which is more durable and stable. 4. Mechanical door stopper: The strong mechanical door stopper prevents the door from slamming shut in windy conditions and prevents the door from closing suddenly. It holds the door open and prevents it from striking adjacent walls. The mechanical door stopper can be used in bedrooms, bathrooms, offices, or other locations. Use scenarios: Ideal for bedrooms to prevent doors from banging into walls; in bathrooms to keep doors open for ventilation and to avoid moisture damage; in offices or living spaces to hold doors open for convenient movement, cleaning, or traffic.