TAC POLARIZED LENS – These aviator sunglasses are using 9-layer polarized lenses with the double UV blocking coating and polarizing film that keep your eyes fully protected against harmful UV, UVA/UVB rays! Water, snow, fishing, while driving or at the beach, they will help you have good vision! | HIGH QUALITY MATERIALS – These classic style shades is made of high quality metal material with gloss plating surface, they are not just durable enough for long time using, but provides elegant looking . It is suitable as high fashion accessory and daily wear all year round. | FLEXIABLE SPRING HINGE – High quality metal spring hinge was used to adept to different face style, no pressure on your head, bring you most comfortable wearing experience. | COMFORTABLE SIZE – These eyewear have a great size of lens, perfect protect your eyes from harmful light from different angles. Lens Width: 62mm / Lens height: 50mm / Temple Length: 135mm / Nose Bridge: 20mm. | 100% MONEY BACK GUARANTEE –Your satisfaction is one of the highest priorities of BOTPOV sunglasses, 30 days Money Back Guarantee for Any Reason. In case of any broken issues, please feel free to contact us. We will provide the best service until you are satisfied. You have no risk to try!