Item description from the seller

Porsche 911 930 964 965 944 968 Roll of  Seal /Base Gasket

5 meter (16 feet)  in length X 1 3/8″ in width roll of factory rubber base gasket seal, same profile as the 911 cowl seals. Great for rocker panel to body, front and rear bumper to body, rear quarter extension to body and many other applications especially when installing aftermarket fiberglass rocker panels and bumpers.