1) CE, EN71, ROHS 2) certified by BV company 3) good service 4) good quality 1) Porduce structure: superior environmental protection plastic frames, 0.18mm linear polarized lenses2) Optics parameter: polarized efficiency 99.7%, transmittance 43.5%;3) Frame colour: all colour are available;4) Platic lens: 100% UV protection and scratch-resistant coating Non-toxic,lead and Azo-free paint, safe for ...