Steamrays® Eyewear and sunglasses are specially designed to offer style, comfort and safety. All models are all made by proprietary hi-tech resins and materials, such as Uberplast-I ™, Uberplast-II™, Titanium and Nickel Free Stainless Steel. By employing Sanol® Blue Light Guard™ ophthalmic lens technology Steamrays® Eyewear actively and selectively filter the harmful blue light radiation emitted by digital device monitors and digital light sources (LED lights, etc.)