UNIQUE: Handmade sunglasses made of natural wood and cellulose acetateHIGH-QUALITY: UV 400 protective lenses manufactured by Carl Zeiss VisionCONVENIENT: Perfect relaxed fit thanks to stainless steel spring hingesSUSTAINABLE: All our sunglasses are almost 100% biodegradableINDIVIDUAL: Natural materials make every product uniquePRESCRIPTION EYEWEAR: Can be fitted to individual prescriptionFOR FREE: Foldable KERBHOLZ softcase includedGENUINE: Our products are made from natural materials, slight variations in color are possible