Strong and Durable: Heavy-duty door stopper made of stainless steel with rubber components, providing a waterproof and rust-proof design. This sturdy metal door stop is built to withstand heavy use and is suitable for heavy doors. Adhesion and Non-Slip: Door stoppers feature rubber on both the top and bottom to prevent sliding. The rubber provides a firm grip on both the floor and door, ensuring stability even in strong winds. Adjustable Design: The door wedge stopper has a spring-loaded mechanism that adjusts to fit door gaps from 1 inch to 3 inches. Unlike shorter models, this adjustable stopper provides reliable performance for taller gaps. Excellent Door Stop: Suitable for commercial and residential swinging doors, including metal doors, double doors, self-closing hinged doors, and balcony doors with larger gaps. Works well on glass doors, carpet, parquet, and tile surfaces. Safe and Sturdy: Automatically adjusts to the gap, ideal for use in homes, garages, offices, schools, and public spaces. Holds heavy doors open and prevents them from closing due to wind. Color: Black + Silver Material: Stainless Steel Size: 13 cm Package Contents: 1 x Door Stopper Note: Light reflection and display differences may cause slight color variations. Measurement may vary by +/- 1-3 cm.