the Hiru RPET & Wood Sunglasses Are Produced with Sustainable Materials with Highest Quality Standards. the High End Finished Frame is Polished & Painted & is Made From Recycled Pet Plastic. the Temples with a Light & Comfortable Fit Are Made From Oak Wood Which is From Sustainable, Environmentally & Socially Responsible Sources. the Lenses Are Blue Mirrored & Are Polarized Which Eliminates Reflecting Sunlight Which Makes It Ideal for Driving a Car & During Any Sunny Summer & 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) & Packed in a Recycled Cardboard Card Gift Box (16.5 x 6 x 4 Cm). Laser Engraving is Recommended as a Sustainable Decoration Option. Minimum Quantity: 25