The US 74 jazzes up ordinary glasses with unique two-toned color combinations and a flirty shape. This oval frame will compliment women with square and heart face shapes. The frame is crafted from a plastic called Zyl, a strong and light material. These eyeglasses are available in black, purple, and wine colors and are ideal for single vision prescription lenses. Glasses don't have to be boring when you have a style like this.