FLEXIBLE: Grilamid Natural raw material produced in Switzerland stretches and returns to its original state against all kinds of impacts that may come from outside. Thanks to this flexibility, it neither harms you nor does it get damaged. ANTIALERGIC: Grilamid Natural raw material does not contain any BISPHENOL A (BPA) substance that causes cancer and allergies. It is 100% healthy. ANTIBACTERIAL: The results obtained by independent laboratories have proven that Grilamid Natural raw material has a sterile feature. LIGHTWEIGHT: Heavy glasses cause headaches and deterioration in nasal aesthetics in the user. Grilamid Natural enables us to produce lightweight but durable glasses. Material: Grilamid Nature (Switzerland) Glass: CR39, 100% UV Protective, Polarized Glass Color: Light Blue (LB50) Gender: Unisex Frame Color: Ocean Frame Size: 49mm (Glass) 21mm (Nosepiece) 140mm (Handle)