Awajiya Seibu Railway Series 101 Train Bento Ceramic With outer box I washed it immediately after serving. There are wrinkles on the folded part of the outer box, which were made when it was opened. For reference, the size of the outer box is: Width: Approximately 19cm Height: Approximately 8cm Depth: Approximately 7.5cm I will wrap it in bubble wrap, fold the outer box, reinforce it with cardboard, and send it via Mercari delivery (Yu-Pack). *Please refrain from purchasing if you are concerned about minor details.