... 1.Be used widely 2.Had tested by CE,ROHS,SGS,EN71 3.Light weight. ... , cinemas, games, medicine, education, military, exhibitions and so on Technology parametersMaterial of glasses frameEnvironmental protection mixture ... material of PC, had tested by CE, ROHS, SGS, EN71Glasses thickness0.7mm±3% ... Ambient temperature0°C~50°C Make and export of polarized 3d glasses