Quiet and Shock Absorbing: Made from a soft, shock-absorbing material, this door stop guarantees completely silent operation. It instantly holds the door open, and its plush design ensures optimal user comfort, perfect for bedrooms, bathrooms, or any other room. Durable and Rust-Resistant: The door stop's body is made of high-quality zinc alloy, providing superior strength, durability, and reliability. Its surface features a five-layer electroplating treatment, giving it excellent resistance to wear and corrosion; even after prolonged use, it maintains a smooth, rust-resistant finish. Easy Installation: This mechanical door stop is extremely easy to install. You can use the strong 3M adhesive or the sturdy screws provided. Adjustable Height: The door stop is equipped with an adjustable telescopic rod, allowing you to adjust its height to fit the available space at the bottom of your door. This model is suitable for gaps of 10 to 20 millimeters (approximately 0.39 to 0.78 inches) between the bottom of the door and the floor. A useful tip: before purchasing, please measure the height of the gap at the bottom of your door to ensure you choose the correct product. Versatile Use: This door stop installs without drilling and is ideal for various living spaces such as living rooms, bedrooms, and kitchens.