... anti-scratch 3.OEM is welcome 4.Best Polarized efficiency Circular Polarized 3D glasses Company profile: Unihank Industrial Ltd ... Plastic 3D Glasses,Anaglyphic 3D Glasses,Linear Polarized 3D Glasses,Circular Polarized 3D Glasses,Spectrum Separated 3D Glasses, ... structure PC frame,1.60mm Acrylics filter polarized lensOptics parameter Polarized efficiency 99.9%,transmittance 43.5%,compensation ...