Made of High Impact Acrylic, Giving Each Screen Added Strength and Flexibility3mm Thickness Helps Absorb Vibration at High Speeds, and Offers Resistance From Cracking or ScratchingAll Screens Are Developed Using Information From Wind Tunnel TestingDerived From Competition, the Race Bubble Design Helps Diminish the Air Effect on a Riders HelmetDouble Height Racing Screens Produced With Acrylic of High Impact of 3mmSmooth Cleaned Edge Finish and a Great Optical VisionPlease Note: The Image Displayed Is Representative of the Item, but Will Vary in Shape and Color Depending on Your Specific Application.