SHINU Oversized Bamboo Wood Sunglasses Square Retro Polarized Glasses- Z6015 Imported polarized Lens width: 57 millimeters Lens height: 47 millimeters Bridge: 20 millimeters Arm: 140 millimeters Float on Water Never Lose Them at The Beach. Genuine Wood Bamboo from Sustainable Resources. Polarized UV400 Lenses Against Harmful UVA/UVB Rays. Each Frame is Polished and Coated with A Water/Sweat Protective Layer. Each Pair Comes In Its Very Own Bamboo Case and Microfiber Pouch to Protect and Keep Your Glasses Clean.