Amazon.com: Shwood Canby Polarized Wood Sunglasses 。Wrap yourself in Sophistication with our Coast Savvy® Chunky Frames with a chunky cut. Coast Savvy® Luxury Frames are made from the finest Mazzucchelli Acetate (developed in 1849 by the Mazzucchelli family of artisans in Italy.) This material derived from cotton and turned into cellulose acetate is hypoallergenic, durable and environmentally friendly. It is a renewable, non-petroleum, plant-based material. Frames: Our Mazzucchelli Acetate frames are made by cutting and molding multiple pieces of cotton resin, which makes them as strong as metal and ideal for eyeglass frames. They are then polished in a bin of natural wood chips for durability and shine. Our chunky frames have beveled edges and high-quality five-tooth, IP gold-plated Spring Hinges. Color: We use organic/natural dyes, which are added and repeatedly sent through rollers for the desired vibrancy. Lenses: Our lenses are glass lenses that are TAC Polarized and tested for proof of UV 400 Protection to deliver 99% protection for UVA and UVB rays, by blocking ultraviolet rays up to 400nm in wavelength. It minimizes the thermal impact on cells and reduces aggressive blue light content (HEV) which is harmful to the retina, by 15%. Product Details: Frame Span = 5.9 inches wide (Individual Frame Lens = 2.2 inches wide) Frame Height = 1.6 inches high Bridge = .7 inches wide Arm= 5.7 inches Care Instructions: To keep your frames looking their best, use a gentle, non-abrasive cloth