Our Model RG-Q300 radiation protective glasses offer a stylish wrap-around frame style. ANSI Z87 Safety Approved. This product offers our standard high quality, distortion-free SF-6 Schott glass, radiation-reducing lenses with .75mm lead equivalency. With a frame width of 145mm, it is the largest frame in the “Q” group. Comes with a hard storage case, a soft case/lens cloth and an adjustable retainer cord.