LARGE RUBBER WEDGE: Door wedges dimensions -16.4cm(L) x7cm(W) x4.8cm (H), one can hold doors with clearances up to 4.8cm. Door wedge large is 7cm wide and 16.4cm long, which is larger type than other rubber door stop on the market, more solid and stronger adhesion. Works well for both small and large door gaps .STRONG & FLEXIBLE RUBBER: Door wedges heavy duty large is made of flexible natural rubber, non toxic, not easily deformed, durable and sturdy. The combination of flexibility and sturdiness ensures a tight fit between door stop wedge and the door gaps to hold the door firmly. Its a great solution for keeping the door open for fresh air circulation. .ANTI-SLIP BASE: Door wedge black with a stepped hollow base that enhances grip with the ground, making doorstop hard to tip over, and even with the strongest gusts of wind without budging. It prevents your children, babies, pets from being at risk by any accidentally closing the door. .PORTABLE DOOR STOP: Door stops rubber features free movement for easy portability and storage. Use them - no marks, no scratches, no scuffs, perfect for stopping garden fence panels from rattling, industrial, commercial use, residential, home, office, school, garage, patio, kitchen, hosiptal, cottage, etc.