HAVANA FRAME / BLACK LENSCrystal Beth is a unisex chunky rectangular frame with beveled edges and sleek lines, made for the people who don't shy away from making a bold statement. All our glasses are meticulously hand sculpted from plant based acetate and high end hardware to ensure superior optical quality. Every sunglass comes with a branded faux leather case and a cleaning cloth. Frame: Handcrafted plant based cellulose acetate. Lens: High quality CR 39 lenses with 100% UVA/UVB protection. CR 39 lenses provide complete UV protection, and unsurpassed optical clarity.Hardware: Durable 5 barrel hinges. Stainless steel wire temple cores for added strength and superior fit. Measurements: 49mm / 20mm / 145mm