From DIFF Eyewear, the Becky IV Polarized Cat Eye Sunglasses feature:  Oversized hand-cut acetate frame Premium scratch resistant polymer lens Polarized 100% UVA/UVB Approx. 56mm - 16mm - 145mm  Imported. Every pair of DIFF glasses sold helps to provide the gift of sight to someone in need through eye exams, glasses, medicine, and surgery. To date, we've donated over 1.5 MILLION pairs of glasses worldwide, and that's just the beginning of it.