2 Rolls - Waterproof Silicon strip compressorable for sealing joints on vehicles such as windscreens, boat hatches jointing panels and frame work etc where a waterproof joint is required 40 mm wide x 2 mm thick (Roll 10 mts) Silicon sponge strip 40 mm wide x 2 mm thick (Roll 10 mts serrated every meter) nsn 6320997932836 labeled as CVT vehicle the roll measures about 20 cms diameter it has been stored well in black bags