Strong and Durable: Heavy-duty door stopper made of stainless steel with electroplating process and rubber, waterproof and rust-proof, providing a sturdy solution for heavy doors. This metal door stopper is designed for durability and strength. Adhesion & Non-Slip: Door stoppers for the bottom of the door feature rubber on both the top and bottom, ensuring a non-slip grip on floors and doors. The rubber provides firm traction, preventing movement 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 short door stops, this adjustable design ensures reliable performance for various door types. Excellent Door Stop: Suitable for commercial swinging doors, metal doors, double doors, safety 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 commercial, residential, garage, corporate, public spaces, and schools. 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 different displays may cause slight color variations. Measurement may vary by +/- 1-3 cm.