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+ 31 ★ NEW Spring Hinge Size: 54-18-145 Colors: Burgundy/Black: UPC: 725305922023 Teal/Black: UPC: 725305922016 Crystal/Black: UPC: 725305922009 SIZE A B ED 54-18-145 00.00 00.00 00.00 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.