Rectangle Eyeglasses 154693 are made of high-quality polyflex. These glasses feature a wonderful black-blue finish and exquisite rectangle lenses in a spectacular full rim design, with an intricate look all around thanks to their simple front and appealing broad temples. These frames are made of polyflex and include spring hinges for a convenient and safe fit. These frames work with a wide range of lenses and can be purchased for a reasonable price with the promise of a positive customer experience.