Dynamo Rectangle Sunglasses in black bio-based injected nylon, with gray lenses. Temple length: 4,9 inch bridge length: 0,36 inch bio-based injected nylon frame and temples (65% bio-based) rectangle shape standard fit balenciaga logo printed on bridge top lens material: nylon lens category: 3 100% uva/uvb protection not suitable for optical conversion made in italy bb0318s. Polyamide. Color: black