The Palisade by Spruce - Polarized Bamboo Sunglasses - Cat Eye - For Men & Women Bamboo & Acrylic frame Hardened Triacetate Cellulose lens Polarized Lens width: 50 millimeters Lens height: 53 millimeters Arm: 142 millimeters MADE FROM 100% REAL, SUSTAINABLE BAMBOO and paired with auburn-striped acrylic. POLARIZED LENSES are made of scratch-resistant triacetate cellulose, which significantly reduces glare while remaining light and durable. SPRING LOADED HINGES for flexibility and durability. FREE BAMBOO CASE and microfiber pouch included! 100% sustainably harvested bamboo arms, paired with auburn striped acrylic Polarized lenses made of scratch-resistant triacetate cellulose significantly reduce glare while remaining light and durable Spring-loaded hinges for flexibility durability Includes bamboo case &amp; microfiber pouch!