Description Product Details Warranty Information Geek Infinity Black Matte: A retro round style with a keyhole bridge from Geek Eyewear in hand made acetate. Frame Material: Hand Made Acetate and stainless steel with spring hinges Fit: Medium 49 20 140 xx Comes with: Companion Case, Cleaning Cloth, 1oz. Eyeglass Cleaner Free Shipping (USA) Frame Size: Medium (49-52mm) Bridge Width: 20mm Temple Length: 140mm Color: Black Shape: Round Material: Acetate Spring Hinge: Yes Style: Full-Rim newOptions: true 30-Day No Hassle Guarantee