Aye Mate & Wingmate Universal Sideshield™ protects against harmful UV radiation. The Aye Mate & Wing Mate's exclusive UVS additive provides an ultraviolet barrier which effectively attenuates UV up to 380 nanometers. Aye Mate & Wing Mate Universal Sideshield's patented design adapts to the shape of a wide range of frames. AYE MATE™Universal sideshield can be installed or removed quickly without tools. Molded from impact resistant polycarbonate and impact tested to ANSI Z87.1 specifications on both metal and plastic frames. Aye Mate & Wing mate are packed 10 of each per pack.