For the finest in outdoor car protection, Noah car covers made with advanced NOAH barrier fabric. This unique material is durable, water resistant, dust resistant, UV resistant and highly "breathable," allowing all trapped moisture, including seam seepage and condensation to evaporate easily. The fabric weighs 4.45 ounces per square yard, making it easy to handle and fold. Noah fabric is the perfect material for every outdoor car cover, due to its:Shielding External LayerWith a heat resisting silver color, strong polypropylene inner core, soft polyethylene wrap, and UV inhibitors for protection during long outdoor exposure.A Middle Layer That is Micro-PorousThis interior layer is made from a breathable film, developed exclusively for Kimberly-Clark. Its microscopic pores prevent water or dust from reaching your car, while allowing trapped moisture vapor to escape.An Inner Layer with a Soft, Paint-Protecting Finish - perfect for your cars water-based paint finish.