These beautiful charcoal grey Bling safety UVa & UVb Rays, Bi-Focal Sunglasses have wrap around rimless one-piece lens features. The Bling factor has Swarovski AB Crystals applied to the temple edges and over the nosepiece area. It has a Silver Mirrored lens that allows for additional light-reflecting properties and is very lightweight. You'll love it. Check out the sequin-fabric covered hard eyeglass cases that are available for this set. Please clean only with a water dampened cloth so as not to harm the crystals or mirrored lens surfaces.