Zinc alloy Size: Approximately 3.4 x 2.9 cm All products include free shipping (price includes shipping). You can purchase directly without commenting. Usually, items will be shipped via regular mail from Sapporo within 3 business days after payment is received. Shipping is done on Mondays, Wednesdays, and Fridays, excluding national holidays. We are closed on Tuesdays, Thursdays, Saturdays, Sundays, and national holidays. (We are unable to respond to questions or transaction messages during these days.) Delivery is expected to arrive within 3-4 business days after shipping, excluding weekends and holidays. There is no tracking number. If you are not at 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. All items listed are not subject to price reduction. If there are comments requesting unreasonable price reductions, we will block the user, so please be aware. 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 either. Thank you for your understanding. Also, we do not accept requests for additional images.