Frame material: environmentally friendly thermoplastic TPEE Measurements: width 12.5 cm x length 13 cm Polarized lenses Category 3 UV 400 lenses Metal Hinges Protective bag Brand logo on the temples CE Certification UNE-EN ISO12312-1-2013/A 1:2015 For children between 3 and 8 years old Attention: TAC lenses are made up of 7 protective layers. Water can cause layers to lift and damage sunglasses, so avoid exposure to water