I inserted a refill once, but I'm selling it because I don't think I'll use it again. Because static electricity is easily generated, I am careful, but there may be some dirt. I have a cat. Please refrain from purchasing if you are concerned, as this is personal storage. ◎ I am also selling refills for My Colle postcards and bromides (opened once, then put back). Bulk purchases are welcome. #Seria #MyColle #A4Binder #White #OshiKatsu (Supporting my favorite)