plastic frame.......anti-reflective lens......non-polarized......Lens width: 140 millimeters.......Lens height: 43 millimeters.......Bridge: 20 millimeters........Arm: 110 millimeters.......FASHION DESIGN: Retro Frame with Sexy Cute Looking. Fashionable Novel Style, It is Suitable for Any Face, Show Your Unique And Cool Attitude To Life.......HIGH QUALITY MATERIALS: Environmental & Skin-Friendly Materials, Plastic arms Make This Sunglasses Light Weight and Flat, Durable & Shatterproof.......COMFORTABLE & LIGHTWEIGHT-Excellent ergonomic design makes glasses wearer comfortable and full vision since the fashionable & aviator style. Besides, the metallic lightweight material ensures convenient when you wear it . Classic spring hinge design for better wear........30 DAYS MONEY BACK GUARANTEE – 100% Satisfaction Guaranteed. Please just let us know if you're not happy with your purchase within 30 days, and we'll take care of you. You have no risk to try..