The Hiru rPET/wood sunglasses are produced with sustainable materials with highest quality standards. The high end finished frame is polished and painted and is made from recycled PET plastic. The temples with a light and comfortable Fit: are made from oak wood which is from sustainable, environmentally and socially responsible sources. The lenses are blue mirrored and are polarized which eliminates reflecting sunlight which makes it ideal for driving a car and during any sunny summer and winter outdoor activities. This eyewear conforms to EN ISO 12312-1, has UV400 lenses which are rated as Category 3. Delivered with a cleaning cloth made from recycled PET plastic (15 x 15 cm) and packed in a recycled cardboard gift box (16.5 x 6 x 4 cm). Laser engraving is recommended as a sustainable decoration option.