The Smilen Eyewear® GothamStyle® Flex Collection: Our signature GothamStyle style of plastic frame with the added comfort of spring hinges. Trendy shapes, colors, and designs at value pricing and superior quality! Model: Matte 21 Spring Hinge Size: 54-15-150 Colors: Matte Black: UPC: 644042580221 SIZE A B ED 54-15-150 54.10 35.00 58.00 ED ANGLE DBL STS CIRC. 153.0 15 131 151.3 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.