Niagara Square clip-on eyeglasses are made from comfortable and durable TR90 material, coming in Mblack and Mblack/Grey colors. Are you looking for a pair of eyewear having the function of both eyeglasses and sunglasses? This one is the right choice because of the polarized magnetic clip-on. Combined the stylish clip-on and comfortable TR90 material frame, the eyeglasses are the season???s hottest item, beloved by both men and women. FP1814 Niagara