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 7 Spring Hinge Size: 51-20-145 Colors: Blue Demi: UPC: To Come Brown Demi: UPC: To Come Pink Demi: UPC: To Come SIZE A B ED 51-20-145 52.30 45.60 54.80 ED ANGLE DBL STS CIRC. 151.2 20 124 155.6 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.