Check the listing for details. Semi Round Polarized Clip-on Sunglasses. Condition: New with tags. Listed at 19.45 USD. Semi round shape clip-on with polarized lenses. Polarized lenses are lighter weight on your frame and polarized lenses eliminate the most glare. For the semi round shape to fit your glasses, your glasses need to be similar in shape with your frame rim measuring less than 3mm's thick. Carefully measure one lens of your glasses to the outside rim of your glasses width x height. We have many different sizes available and only one will fit your glasses, so it is very important to measure your glasses correctly. The semi round shape needs to be nearly the same shape as your glasses and the size clip-on sunglass needs to be the same as the measurement of your glasses or the next size bigger. All of our clip-on's are rated UV400 protection which is up to 100 Percent protection. We include a microfiber pouch to store and clean your lenses. Semi round shape with polarized UV400 lenses.Sizes Available 44mm Wide x 43mm Height-Smallest 46mm Wide x 45mm Height-Small 48mm Wide x 46mm Height-Medium 50mm Wide x 47mm Height-Medium Large 52mm Wide x 49mm Height-LargestGray polarized lenses with blue mirror coating is onlyavailable in size 48, 50 and 52