1,Eco-friendly raw material 2,Excellence 3d image come from the lens 3,Product comply of CE, EN71, ROHS standard 4,good price passive polarized 3d glasses :Material: Superior environmental protection plastic frames,0.18mm LP lensesOptics parameter: Polarized efficiency 99.7%,transmittance 43.5%.Usage area: 3D theater,3D TV. this glasses have the character of High precision and have all function ...