Eyepol Polarizing Technology Co.,Ltd can supply polarized lenses for sunglasses. The material of Eyepol polarized lenses is TAC, we adopt Japanese technology and manufacture in Korea, cutting and bending in Xiamen, China. We are so confident of our lenses after having so many tests, our hardness is above 2H Degrees,and superior lamination quality, various stable color with UV400 protection. If you are interested, we can send sample for your test.It is an great honor to cooperate with u . Any questions, kindly let me know. Thanks & best regards! Jennifer Overseas Marketing Dept.