Orao Arenberg Adult Sunglass Category 1 Sun protection, 100 percent uv resistant Vision: the arenberg sunglasses provide a wide horizontal field of vision Ergonomic grip, the rubber arms tips provide basic ergonomic support to your temple Composition: the polycarbonate lenses are meant to withstand moderate levels of shock. Care instructions: the lenses must be cleaned regularly. Never dry clean; always use water at room temperature (about 20 degree celsius) with a mild detergent