Thank you for viewing! It's a knitted hat, is it yuzu (Japanese citrus) or lemon? ^^ There's no tag, so I don't know the material... There are no stains, but it's a little fuzzy. Please understand that this item has been stored at home. ✴︎The color may look slightly different from the actual item. ✴︎I will fold it up small for packaging, so please be aware of that. ✴︎Please consider this item with the understanding that it is used. If you are concerned about small details, please refrain from purchasing. Please ask if you have any questions. ^^