GAMT Children's Classic Aviator UV400 Protect Polarized Sunglasses Metal Frame Frog Mirror 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-We provide lifetime breakage and warranty on Frame and Lens.Please feel free to contact our customer service anytime if you feel unsatisfied or confused. APPLICABLE SCENE-Great fashion frame design for driving, traveling ,party and most of the occasions. 90 DAYS MONEY BACK GUARANTEE-All GAMT customers can enjoy a free to replacement or return within 7 days if not satisfactory for any reason ,and if the glasses have any quality problem within 3 months ,we would like to resend the product or make a full refund for you.