The Smilen Eyewear® Trend Spotter®, Eyeconomy®, and Broadway® Collections: These Smilen Eyewear lines are perfect for managed care and frame/lenses packages. They include a wide range of styles and features with the highest quality in the industry! Model: Flex 1 Spring Hinge Size: 52-20-147 Colors: Brown Fade: UPC: 719284708242 SIZE A B ED 52-20-147 53.20 43.80 57.00 ED ANGLE DBL STS CIRC. 28.8 20 131 158.0 Frames carry a two year warranty (for frame exchange only). Available colors for purchase are determined in the shopping cart "Color" menus. Available frame styles are indicated in the "BRANDS:" drop-down menus above.