Black buffalo horn is made primarily from buffalo horn and is a popular material with a luxurious, glossy black color. 10.5mm 12mm 13.5mm 15mm 16.5mm 18mm 12mm with alignment mark ************************************ Instant purchase is OK. Discounts are available for multiple purchases. Please inquire before purchasing. Please provide the engraving details after purchase. ************************************ These sizes can be used as a personal seal, bank seal, or registered seal. An ink pad case is included as a service. This product is made to order, so please provide the following information via the transaction message: ① Name to be engraved Full name (surname and given name) ② Font to be engraved Please refer to the product images for the available fonts. Recommended fonts for different uses are listed in the product images. ③ Seal size Recommended sizes for men and women are listed in the product images. We will ship within 2-3 days, excluding weekends and holidays. Shipping may be delayed if we are on a business trip. The engraved items we handle are hand-finished by craftsmen. #Seal #PersonalSeal #BankSeal #RegisteredSeal #Hanko #Seal