Product Introduction(1) PET: double-sided anti-fog (0.25cm);(2) elastic band: adjustable length;(3) F11 face shield with EVA accessories, also have eye mask function,which can be sterilized and used for many times;(4) F12 face shield: with sponge accessories, good sealing;(5) F11 face shield(NW): 36.37g;(6) F12 face shield(NW): 32.99g;(7) Product Size:L33cm X H22cm X T0.25cm;