Frame material: environmentally friendly thermoplastic TPEE Lens material: TAC Flexible frame Measurements: width 10cm x length 11cm Polarized lenses Category 3 UV 400 lenses Metal Hinges Brand logo on the temples CE Certificate UNE-EN ISO12312-1-2013/A 1:2015 ATTENTION: TAC lenses are made up of 7 protective layers. Water can cause layers to lift and damage sunglasses, so avoid exposure to water