LARGE RUBBER WEDGE: Door wedge dimensions - 16.4 cm (L) x 7 cm (W) x 4.8 cm (H), one can hold doors with gaps up to 4.8 cm. The door wedge is large, 7 cm wide and 16.4 cm long, which is larger than other rubber shock absorbers on the market, more solid and stronger adhesion. Works well for both small and large door gaps. STRONG & FLEXIBLE RUBBER: The door wedges are heavy and large, made of flexible natural rubber, non-toxic, not easy to deform, durable and robust. The combination of flexibility and robustness ensures a tight fit between the door stop wedge and the door gaps to hold the door firmly. It is an excellent solution for keeping the door open for fresh air circulation. NON-SLIP BASE: The door wedge is black with a stepped hollow base that improves grip against the ground, making the door stop difficult to tip over, even with the strongest gusts of wind without moving. It prevents your children, babies, pets from being at risk by someone accidentally closing the door. PORTABLE DOOR STOP: Rubber door stop has free movement for easy portability and storage. Use them - no marks, no scratches, no scuffs, perfect for stopping garden yard panels from rattling, industrial, commercial use, residences, homes, offices, school, garage, patio, kitchen, hospital, cabin, etc.