Description Product Details Warranty Information OnO C2306 Black: A classic square style with spring hinges. Premium quality! Frame Material: Hand Made Acetate with spring hinges Fit: Medium Large 54 17 135 42 Comes with: Companion Case, Cleaning Cloth, 1oz. Eyeglass Cleaner Free Shipping (USA) Frame Size: Medium Large (52-54mm) Bridge Width: 17mm Temple Length: 135mm Color: Black Shape: Square Material: Acetate Style: Full-Rim Spring Hinge: Yes newOptions: true 30-Day No-Hassle Guarantee