Clip on spring sunglasses men women fish drive metal frame blocking 100% uv Rectangle spring clip-on sunglassesPicture will change when clicking size`s in drop down to show what each look likeThe measurements we show are width by the height of our lens which you can use to match yours. The center spring allows the lenses to stretch apart so frame width if average is not a concern. They are all rectangles but shape is a consideration of which there are 4 shapes to choose from. 1/8" equals 3.175mm which you can multiply by your size to get mm size or you can take the inch measurement of your lenses and google inches to mm and you will get a conversion chart. Then take your mm size and select the closest you can find within a few mm. Remember to consider shape as well. A little larger is better than a little smaller to ensure coverage.Gender: Men Women UnisexStyle: RectangularSize: RegularLens Technology: Polarized and regularFrame material: MetalFrame Color: As picturedAge group: AdultNew! in original factory packaging