AUTUMN & WINTER PROTECTION: -30°C(-22 low temperature resistance. It can prevents frost/snow/ice build up on the windshield in the winter and reduces the time spent scrapping ice or snow in the mornings. Can be used for summer sun protection. Please note that the fabric of this product is mainly used to protect against rain, snow and low temperatures. Using it in high temperature weather in summer will shorten the product life. Fits Most Sedan & SUV: with full mirror cover fit for sedan,SUV,etc.(If your SUV/truck is larger, you can choose from two other larger sizes)With windproof straps and thickened design, it can effectively lower the temperature inside the car in summer and effectively prevent rain and snow from freezing on the front window in winter. Heavy Duty & Four LayersThe windshield winter cover is made of durable fabric with 4 layers ,(PEVA Aluminum Foil, Spunlaced Cotton, Composite Cotton, Soft Non-Woven Lining.) Thickened Car snow cover will be sturdy enough to protect yo