【A Cost-Effective Choice】2 Pack included. 4 inches wide, 50 feet long, enough size for you to use in more scenes and easily achieve the effect of sealing the roof and window at a professional level. Both surface and inside is Natural White, working temperature -40℉ to 150℉. 【Weatherproof & UV-resistant Sealant Tape】Adopted premium Butyl, super sticky and flexible, which can resist UV, moisture, vapor, corrosive chemicals and other leakages, protecting your RV from extreme weather. 【Easy Installation & Long Lasting】Without adhesive or filler, whether it be on a flat surface, curve, or corner, just peel off and apply, you can repair your RV by yourself. The tape is applied one time for a permanent fix not for a temporary fix, it's tested to last for many years of outdoor use. 【Wide Applications】Widely applied in sealing RVs, RV Roof, Metals, Rubber, Wood, Vinyl, Glass, Motorhomes, Trailers, Fifth Wheels, Vans, Buses, and more. Perfect for use on a wide range of surfaces including roof materials such as EPDM, PVC, Hypalon, TPO, wood and fiberglass. 【Please Note】The surface of the product may appear uneven, which will not affect the use effect; Do not use the tape with mineral spirits or waterproof materials including benzene, carbinol, ethylene, silicone. RV Roof Tape, 4 Inch x 50 Feet RV Sealant Tape, UV & Waterproof RV White Seal Tape for RV Repair, Window, Boat Sealing, Truck and Trailer Roof Sealant, Stop Camper Roof Leaks