Description Product Details Warranty Information New Fogey UP302 Crystal Black 47SM: A small-medium round style with spring hinges. Frame Material: Plastic with spring hinges Fit: Small Medium 47 20 145 43.2 Comes with: Companion Case, Cleaning Cloth, 1oz. Eyeglass Cleaner Free Shipping (USA) Frame Size: Small Medium (47-50mm) Bridge Width: 20mm Temple Length: 145mm Color: Crystal Shape: Round Material: Acetate Style: Full-Rim Spring Hinge: Yes newOptions: true 30-Day No Hassle Guarantee