Shwood - McKenzie Acetate, Sustainability Meets Style Composite frame glass lens polarized Lens width: 54 millimeters Lens height: 46 millimeters Bridge: 18 millimeters Arm: 136 millimeters VERSATILE FIT WITH A STRONG FEMININE SILHOUETTE: The Mckenzie looks good on oval, rectangle, diamond, and heart face shapes. MADE FROM NATURE: Cellulose acetate is a natural and renewable material derived from cotton and wood pulp. Lightweight and extremely strong, this environmentally friendly material boasts a unique warmth that can only be found in nature. UNRIVALED CLARITY: "Optics by Carl Zeiss Vision" CR-39 or polarized lenses are fitted to all Shwood models. Lens features include 100% UVA/UVB protection and superior coatings for a perfect blend of comfort and protection. MADE WITH QUALITY AND CARE: Featuring real wood inlays, 5-barrel hinges, and premium Mazzucchelli Acetate. EXPERIMENT WITH NATURE: Cultivate creative thinking with our team's ongoing project dedicated to sharing interesting and inspiring content pertaining to all aspects of daily life. We document the experimental endeavors of our Shwood craftspeople, along with others who share a similar ethos. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!