Polycarbonate Clear Safety Face Shields - 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 102040PC is a clear Polycarbonate visor that measures 10 x 20 x .040 inches thick. Need a bag for your face shield? Keep it clean and safe in the 203 headgear / face shield bag! Click here to view.