This item is unopened. Made of die-cast metal. While cleaning the plastic packaging with My Pet, a small hole may have appeared, causing some soiling to transfer to the inside of the package. I think it should be fine if you open it and wipe it directly. For those who understand. Seventh Mobile Task Force, Letters from Iwo Jima, Flags of Our Fathers, Hell's Battlefield, Kantai Collection (KanColle), Azur Lane, Battlefield Series, Steel Rebellion, Warship Commander, Inverted Gull Wing, World War II Masterpiece Aircraft Collection 16 F4U Corsair