Real D style 0.28 mm thickness circular polarized 3D lens; with ABS frames various kinds of colors are available Meet CE, FDA certification. we use the auto-machines to solid the lens into the frame  .  and you can choose black , brown, blue, red, yellow, orange , green, purple colors in frames.   OLU 3D EYEWEAR CO., LTD. is a professional 3d glasses manufacturer since 2003. It has a wide range of products, such as paper red/cyan anaglyphic 3d glasses, plastic linear polarized 3d glases for IMAX system, plastic circular polarized 3d glasses for Real D style and metal 3d glasses for home and cinema use. Welcome to visit our factory.