Zinc alloy Size: 3.5 x 3 cm All items include free shipping (price includes shipping). You can purchase directly without commenting. We usually ship via standard mail from Sapporo within 3 business days of payment. We ship on Mondays, Wednesdays, and Fridays, excluding holidays. We are closed on Tuesdays, Thursdays, Saturdays, Sundays, and holidays. (We cannot respond to questions or transaction messages during these days.) Delivery is expected within 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 delivery 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 discounts. We will block any comments requesting unreasonable price reductions. If multiple purchases can be shipped together, we will ship them together as much as possible, but we will not offer a discount in that case. We also do not accept requests for additional images.