Safety: The door stopper is made of aluminum stainless steel, which is strong, tough, and durable. It offers excellent stability, ensuring stable, precise, and reliable operation. Spring: The interior of the door stopper features an industrial spring with high elasticity, helping to reduce door operating noise. Durability & Removable: The stopper is polished to resist rust, even when installed in humid environments such as bathrooms. The triangular base includes a lift-up tab for easy removal and portability. Stability and Magnet: Designed with a triangular base, the stopper enhances stability, shock resistance, and overall performance, providing effective door protection. Material: Constructed from stainless steel, the product offers corrosion resistance, heat resistance, low temperature resistance, and strong mechanical properties. Internal Spring: The built-in industrial spring provides excellent elasticity and minimizes noise during door operation. Package included: 1 x Door Stopper Note: Please allow 13 cm variation due to manual measurement. Ensure you are comfortable with this before ordering. Please note that slight color differences may occur due to lighting and screen settings.