181540CSA Clear polycarbonate Face Shield - MCR Safety's headgear and face shields offer superior protection from liquid splashes and flying debris that would otherwise be damaging to the face. An assortment of brackets and face shield sizes and materials make it a good bet that you can find an option just right for you. The 181540CSA is a clear Polycarbonate visor that measures 8 inches x 16 inches and is .040 thick.