... 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, ... Product structure PC frame,1.60mm Acrylics filter polarized lensOptics parameter Polarized efficiency 99.9%,transmittance 43.5%,compensation ...