Description Product Details Warranty Information iChill 7010 Crystal Silver: A light and beautiful design. Designer style without the designer price. Frame Material: Plastic with spring hinges Fit: Medium 51 18 135 42.5 Comes with: Companion Case, Cleaning Cloth, 1oz. Eyeglass Cleaner Free Shipping (USA) Frame Size: Medium (49-52mm) Bridge Width: 18mm Temple Length: 135mm Color: Crystal Shape: Roundish Material: Acetate Style: Full-Rim Spring Hinge: Yes 30-Day No-Hassle Guarantee