A casual yet cool style meets the latest design resulting in this easy to wear square frame which makes it a timeless appeal. Blue Light Blocking: reduces eye fatigue, filtering out blue light from all the screen time our eyes receive each day Premium Polycarbonate: technology that provides a sturdier frame Anti-Scratch Aspheric Lenses: keeps lenses scratch resistant, thinner and light weight Spring Hinges: for maximum comfort and flexibility Sizing: Frame width: 142mm Frame height: 45mm Lens width: 48mm Lens height: 38mm Bridge: 19.5mm Temple: 145mm Harrison | R-8015-C2-BLB Dark Forest Green / Tortoise | Blue Light