The Melbourne by Spruce - Polarized Wood Sunglasses - Clubmaster - For Men & Women Rosewood & Acrylic frame Hardened Triacetate Cellulose lens Polarized Lens width: 51 millimeters Lens height: 45 millimeters Arm: 141 millimeters MADE FROM 100% REAL, SUSTAINABLE ROSEWOOD and paired with tortoise shell acrylic. POLARIZED LENSES are made of scratch-resistant triacetate cellulose, which significantly reduces glare while remaining light and durable. UV400 A/B protected. SPRING LOADED HINGES for flexibility and durability. FREE BAMBOO CASE and microfiber pouch included! 100% sustainably harvested rosewood arms, paired with tortoiseshell 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!