Fitovers Eyewear - Nagari Collection - Yamba - Dark Tortoiseshell/polarized Amber - Designed to Fit Over Small Oval Shaped Frames Not Exceeding 143mm X 42mm - 5 - 5/8" X 1 - 1/2" polarized Designed to fit over small oval shaped frames not exceeding 1435m x 46mm - 5 - 7/8" x 1 -11/16" PolarvueTM Polarized Lenses Wrap around 100% UVA & UVB Protection Hypo-allergenic Crystal NylonTM Frame Helps prevent Cataracts