The radiation glasses 208 feature high quality, distortion-free SF-6 Schott glass radiation-reducing lenses with 0.75mm Pb lead equivalency protection. The 208 lead glasses have clear CE Certified Lens and weight 72g. These radiation glasses 208 are prescription available. Made of high-quality plastic, it is a durable and lightweight wrap around frame. The 208 radiation glasses feature rubberized temple bars. These Phillips Safety prescription radiation glasses are available in seven color variations: black, blue with yellow, purple with gray, red, silver, taupe, and pink.