My child used these when they were in the second grade. As far as I can see, there are no noticeable stains, but they show signs of frequent use. I think they can still be used. Please check the photos. This is a personal inspection, so please understand that there may be oversights. If you are concerned about minor details, please refrain from purchasing. There is a possibility of changing the shipping method from Yu-Yu Mercari to Raku-Raku Mercari. JINS purple frame prescription glasses, stylish design. - Brand: JINS - Frame Color: Purple - Lens Type: Prescription Thank you for looking. Kids