Our Grey Weather stripping, also known as Gaska, is made of Vinyl. It comes on 75 foot rolls and has one sided adhesive to seal door locks & window frames to doors. It is 1/8" x 1/4" x 75'. This weather stripping is used on our own All-Rite Windows and has been used on Motorhomes and RV's such as Fleetwood, Winnebago, Forest River, Thor, Skyline, Monaco etc.