This lift-up face shield is ideal for total face and eye protection from UV and high intensity visible light exposure while performing extended curing operations. The shield has ratchet adjustment to fit head sizes 6 1/2 to 8, and meets ANSI Z87.1-2003 high-impact (also known as Z87+) standards when used with safety glasses or goggles. Window = 8 1/2″ x 15″ x 0.06″ Propionate. Shade #5 with darker tint for higher protection when working with more directed & higher intensity light sources (e.g. PortaRay and SunSpot systems).