The Adventure Quick-Release Windshield is made of tough 4.5mm polycarbonate treated with the new-generation Quantum™ coating to provide a long lasting, durable, protective finish. Quick-release mounting offers the versatility of removing the windshield while leaving its unobtrusive mounts, sold separately, on the bike. Measures 12.6" tall x 13.2" wide to provide wind protection to the chest area.