Senchoice Lightweight Polarized Clip On Sunglasses For Driving Fishing Outdoor Sports aluminium frame plastic lens polarized Lens width: 59 millimeters Lens height: 35 millimeters 100% UV400 protection and polarized Al-Mg frame material-lightweight,design to reduce your sunglasses weight! Strong and durable lens These clip-on sunglasses can not flip-up The clips are small that they might only go on wire frame glasses, not fit for some plastic frame glasses.