This is one tough little windscreen. The National Cycle Custom Replacement Windscreens are made from sturdy polycarbonate which is 23x better than acrylic when it comes to impact strength. The exclusive Quantum hardcoat for scratch resistance performs 10x better than FMR coating and 30x better than acrylic replacement screens. 3.0mm polycarbonate construction. Uses O.E.M. hardware. Three-year manufacturer's warranty against breakage. Made in USA. Bad Boy, Dark Tint, 4"