GAMT Retro Aviator Sunglasses Polarized Child Mirror Metal Section metal frame Composite lens polarized Lens width: 60 millimeters Lens height: 50 millimeters Bridge: 20 millimeters Arm: 139 millimeters POLARIZED LENS-100% UV400 protection,block uncomfortable strong light, relieve visual fatigue caused by eye accommodation, and ease the harm caused by the stimulation of strong light. PROFESSIONAL CHILDREN SUNGLASSES -The glasses will take good care of your kids vision,protecting their eyes from harmful sun rays. SUPER LIGHT FRAMES-lightweight and flexible material make the eye-wear suitable for your daily life. APPLICABLE SCENE-Great fashion frame design for driving, traveling ,party and most of the occasions. EXCELLENT WEAR EXPERIENCE-You can automatically adjust the frame width,suitable for all kinds of face.High quality nose pads make you have no pressure while long wearing,bring you a perfect practice.