Wash and reuse up to 110 times scratch-resistant 3d glassesProduct ParametersUsage area3D projector,Website:http://www.freedeo3d.com,3DTVPolarized efficiency≥99.90%Compensation125nmGlass materialTACWeight≥18gFrame materialABSLens transparency43%±2Lens thickness0. 7±0.02mmColorBlack/Gray