Polarised lens designed to cut through the sun glaze at the horizontally axis which allows the wearer to see more define details vs a tinted lens type. This polarised clip on is easy to put on your glasses, it helps to transforms your regular glasses into a semi-sunglasses by flip it up/down. Category 3 Good UV protection. High Sunglare reduction. This clip on will fit most of selected glasses. Features: Eye size/width: 59 mm. Depth/height: 45 mm. Lens material: Plastic. Polarised: Yes. Colour: Brown Package Included: 1 x Polarized clip on. *Glasses is not included.