Description Product Details Warranty Information OnO C18237 Tortoise: A unisex square shape with trim. Premium quality! Frame Material: Hand Made Acetate with spring hinges Fit: Medium Large 53 16 140 38 Comes with: Companion Case, Cleaning Cloth, 1oz. Eyeglass Cleaner Free Shipping (USA) Frame Size: Medium Large (52-54mm) Bridge Width: 16mm Color: Tortoise Shape: Square Material: Acetate Style: Full-Rim Spring Hinge: Yes newOptions: true 30-Day No-Hassle Guarantee