1.Features and Benefits--Reduce surface reflections; Easy to clean; Scratch resistant; UV 400 protection; superb optical clarity;2.Polarized sunglasses have a filter.It works to prevent the intense light from reflecting on flat surfaces (water, snow, road pavement) which interfere with vision. It can be highly useful for sports, driving, and fishing by helping the user to see more clearly in these activities. They provide premium protection against the sun's harmful rays.3.POLYCARBONATE LENS-Polycarbonate is light and scratch resistant (not scratch proof), offers a high level of optical clarity, and is 50 times more impact resistant than optical glass,making for a very strong, distortion free lens.4.Lightweight for Superior Comfort. scratch resistant, durable and unbreakable.100% guarantee picture and case match.5.Unisex--Fashion design,suitable for both men and women.6.Full metal abstract panto shaped aviator sunglasses that feature a unique extended brow bar, colorful mirrored lenses and styled with flat lenses that are designed for less curvature of the frame.7.Sturdy metal frame for unparalleled durability. Super light frame: You can hardly feel them on your face!8.Note:The size is measured by hand.There will be slight difference.Thank you for your understanding.9.If you have any problems,please feel free to contact us,we'll provide you the best service.