This super waterproof tape is made of aluminum butyl rubber and measures 6 inches by 16 feet. It is perfect for use on RV roofs, metal surfaces, and more. The tape is designed to be strong and durable, with a tight seal that prevents water from getting in. It is also easy to apply, making it a great choice for DIY projects or professional use. The tape comes from 360Tronics, a trusted brand that is known for high-quality products. Whether you are repairing a leak or sealing a surface, this tape is a great choice.