This item has been stored in a warehouse cabinet for many years. It has never been used. Diameter: Approximately 20cm - The box is not included. It will be packaged with bubble wrap and shipped via Mercari's anonymous delivery service. - Returns are not accepted after purchase, so please check the photos for any concerns or ask questions in the comments before purchasing. I will do my best to answer. Please understand that this is a used item and has been stored in a warehouse before considering a purchase.