Check the listing for details. Slim Rectangle Shape Polarized Clip-on Sunglasses. Condition: New with tags. Listed at 18.95 USD. Slim rectangular shape clip-on with polarized lenses. For the slim rectangular shape to fit your glasses, your glasses need to be a similar shape with your frame rim measuring less than 3mm's thick. Please measure one lens of your glasses carefully 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 slim rectangular shape needs to be nearly the same shape as your glasses and the size clip-on needs to be the same as the measurement of your glasses or the next size bigger. All of our sunglasses and clip-ons are rated UV400 protection which is up to 100 Percent protection. We include a microfiber pouch to store clean your lenses. Sizes Available 52mm Width x 31mm Height Smallest 54mm Width x 33mm Height Small 56mm Width x 35mm Height Medium 58mm Width x 37mm Height Medium Large 60mm Width x 39mm Height Large Wide