TR90 frame polarized 3d glasses: environment protection plastic material,high flexibility frame protect from bending 0.7mm imported CP lenses protect from abrasion,anti-scrape films cover the lenses Produce profile:S51CP circular polarized 3D glasses this plasticcircular polarized 3d glasses is new produce used for 3d movie and 3d TV etc. Produce structure:TR90f frame polarized 3d glasses,0.7mm imported CP lens without any abrasion andscrape Optics parameter:Polarized efficiency 99.9%,transmittance >43.5%. Usage area:3D theater(REALD system and Masterimage systems),3D TV. our advantage: 1.Eco-friendly materials have CE,EN71,RoHs Certificate. 2.Prompt production time,punctual delivery time. 3.Good logistics service cause we own the logistics department in our company.Make the shippment more convenient. 4.Having the best polarization for circular polarized lens. You can get the perfect 3d image using this type glasses.