The unique construction process of this cover result in maximum all-weather protection. Highly water resistant, dust resistant, UV resistant and breathable to help make sure moisture and or heat doesn't stay under the cover. Made in the USA by Kimberly-Clark, the fabric weighs only 4.75 ounce a square yard so it's easy to handle and fold. High-tech, bonded 4-layer composite uses bi-component side-by-side technology for twin spun bond outer layers, a film barrier and a soft bi-component spun bond inner layer. This car cover is backed by a four-year warranty against fabric flaws and workmanship.