Lenses Material Polycarbonate PROTECT YOUR KID'S EYES FROM HARMFUL UV RAYS The UV400 lenses of children’s sunglasses offer UVA and UVB protection from the sun, helping your kid make the most of his/her outdoor moments in safety. YOUR LITTLE FASHIONISTA WILL ENJOY THEM FOR YEARS Child and toddler sunglasses are made from shatterproof polycarbonate material, utilizing advanced injection frame technology. Contact US If you have any problem with the products,please contact us by email,we will reply you within 24 hours andsolve it.ANY THING is negotiable,we just want you happy.