Made of Grilamid (58% castor oil) . This model is specifically polarised to enhance visual clarity and protect you against the sun glares as well as Ultra violet rays (UVA & UVB) Polarization of lens helps with; Elimination of glare from the reflection of light Improving the color perception Improving the perception of contrast and bulging. Reduced visual tiredness. Improving overall visual comfort (E.g : drivers) The film polarized Tri Acetate Cellulose (TAC) eliminates infrared rays Size Medium - Large Boxing 66-10-124 Color may differ slightly based on various factors including the phone or computer color space.