Ray-Ban CLUBMASTER - MATTE BLACK Frame POLAR SKY BLUE Lenses 51mm Polarized Composite/Plastic Frame. Imported 2" high Polarized sunglasses with semi-rimless frame featuring nose pads and logoing at left corner Ray-Ban sizes refer to the width of one lens in mm and lenses are prescription ready (Rx-able). Ray-Ban products sold by authorized sellers, like Amazon.com, are eligible for all manufacturer warranties and guarantees. Protective case included