The Windrestrictor brand windscreen is in a class of its own. Only the finest materials are used to make Windrestrictors. You'll notice the backdraft in your convertible will be cut down by approximately 50%. A huge difference when conversing or listening to music. We use Acrilyte, which won't yellow or warp. A high quality mounting system, compare us to to other windscreens that will rattle or shake at high speed. Crafted in the U.S.A., we stand firmly behind our products with a lifetime guarantee. Our installation instructions will make even the most casual DIYer seem like a skilled mechanic. All of the necessary tools are included. If you have a spare hour, you'll be up and running in no time.We at WindRestrictor have taken great care to provide the finest wind blocking accessory on the market! Thank you for doing business with us!