metal frame polarized 3D glasses. metal frame,1.1mm TFT polarized lense ; Polarized efficiency 99.7%,transmittance ... 43.5% Colorful plastic circular polarized 3D glasses. 1) metal frame,1.1mm TAC polarized lense ; 2) Polarized efficiency 99.7 ... %,transmittance 43.5%.3) Fit for optical ,sunglasses frame directly .4) "Real D"technique lens,we could make other ...