These retro-styled eyeglasses give a intelligence and appealing look, great for wise ladies and gentlemen of all ages. Made from sleek and strong acetate, the thick rims boast supper durability and extreme comfort to wear. The square lenses with large size are compatible with single vision as well as bifocal or progressive lenses. The frames in two frames are for option, black and tortoise. Total weight is about 30 grams with basic lenses.