... Glasses 1)PC frame,0.72mm lens 2)Polarized efficiency 99.9% 3)High Quality with competitive price Circular Polarized 3D glasses ... structure pc nylon 0.72mm Lens polarized lensOptics parameter Polarized efficiency 99.9%,transmittance 43.5%,compensation 125nm/138nmUsage area 3D ... 3D glasses:300,000PCS/dayPlastic 3D glasses:200,000PCS/day high efficiency Circular Polarized 3D glasses