GQUEEN focus on a wide variety of functional glasses from anti blue ray radiation computer glasses to UV400 protection polarized sunglasses and other fashion eyeglasses. We endeavor to provide quality products at prices which provide value to our customers. Material? The frame is made of aluminium magnesium alloy, which is much more sturdy than normal metal frame, but the weight is only 1/3 of the latter.? Polarized Polarized sunglasses have a filter that works to prevent the glare from reflecting on flat surfaces (water, snow, road pavement) which interfere with vision. They can be highly useful for sports, driving, and fishing by helping the participant in these activities to see more clearly. Advantages of wearing polarized sunglasses became recognized by the general public. they provide premium protection against the sun's harmful rays. UV400 UV400 protection lenses block 100% of UVB and UVA rays. UV 400 indicates an eye protection item that has been optimized to prevent eye exposure to both UVA and UVB radiation. UV 400 protected items are capable of blocking light rays as small as 400 nanometers. Package? Glasses X1, Package box X1, Microfiber cleaning cloth X1,Microfiber pouch X1. Satisfaction Guarantee All GQUEEN Sunglasses comes with a 30 Day Money Back Guarantee.So if you are not completely happy with your purchase for whatever reason,do not hesitate to let us know and we'll take care of you.You have no risk to try it and we will provide you the best service!