Zinc alloy Size: Approximately 2.8 x 2.8 cm All items are free shipping (price includes shipping). You can purchase directly without commenting. Usually, we will ship via regular mail from Sapporo within 3 business days after payment is received. We ship on Mondays, Wednesdays, and Fridays, excluding holidays. We are closed on Tuesdays, Thursdays, Saturdays, Sundays, and holidays. (We cannot reply to questions or transaction messages during this time) Delivery is expected to arrive 3-4 business days after shipping, excluding weekends and holidays. There is no tracking number. If you are not home and the item does not fit in your mailbox, a notice from Japan Post will be left, and the item will be held at your local post office for one week. Please check the notice and request redelivery from Japan Post. If you cannot find the notice, please contact your local post office before the storage period expires. We are sorry, but we do not accept price negotiations. Please understand that all items listed are not subject to price reduction. We will block any comments that request unreasonable price reductions. If multiple purchases can be shipped together, we will do so as much as possible, but we will not offer a discount in that case either. Also, we do not accept requests for additional images.