♻️ STYLISH, ON TREND and ECO-FRIENDLY: Your kids will stand out from the crowd in these stylish, unique children's polarized sunglasses! The frames and lenses are made of ♻️ recycled, BPA free polycarbonate plastic and the arms are made of beech wood. This is a truly unique children's sunglasses frame ✅ HIGH QUALITY LENSES: The UV400 rated TAC Polarized lenses provide 100% UVA and UVB protection and eliminate harmful glare from reflective surfaces like water and snow. Much of the damage done to eyes happens at a young age. New technology TAC (Tri Acetate Cellulose) polarized lenses offer superior visual and polarization clarity. They are hard coated to resist scratching and block out 100% of all harmful UV rays up to 400 nanometers, and are also lightweight and a highly impact resistant lens ✅ COMFORTABLE: Double spring hinges allow for a snug and comfortable fit regardless of face shape. They will not pinch the side of your child's face. Weighing in at only 20 grams, these kids' sunglasses are also really lightweight - your kids will forget they've even got them on and will KEEP THEM ON! UV Protection Coating coating Lens width: 43 millimeters Length: 37 millimeters Bridge: 20 millimeters Arm: 128 millimeters