The Earth Wood Cannon Sunglasses are accentuated by the solid wood framing. Recyclable and biodegradable wood gives these sunglasses an instantly captivating appearance. The attractive features are coupled with protective polarized lenses. These lenses are capable of blocking 100% of UVA and UVB rays of the sun to protect your eyes. To preserve these qualities, the lenses are given an anti-scratch layer. These sunglasses have stainless steel hinges that resist the damaging effects of water and moisture.