My child purchased these for high school science class. They are protective glasses for use in science experiments, etc. They are in good condition, but please understand that they have been stored at home. Please forgive any oversights, as this is based on a layman's assessment. I believe they are in good condition and pose no particular problems for use, but opinions vary, so please make your judgment based on the photos. Please purchase these with the understanding that they are used items that my child has used. They will be shipped via Mercari delivery, with waterproof recycled materials and simple packaging. Please refrain from price negotiations.