Description Product Details Warranty Information Vivid 947 Demi Brown: A round style with a keyhole bridge from Vivid Eyewear. Frame Material: Acetate with spring hinges Fit: Medium 50 18 145 xx Comes with: Companion Case, Cleaning Cloth, 1oz. Eyeglass Cleaner Free Shipping (USA) Frame Size: Medium (49-52mm) Bridge Width: 18mm Temple Length: 145mm Color: Tortoise Shape: Round Material: Acetate Style: Full-Rim Spring Hinge: Yes newOptions: true 30-Day No-Hassle Guarantee