Material: The sealing stamps are made of brass, smooth and shiny, non-stick, easy to clean, in a classic retro vintage style, leaves a clean and beautiful impression. 25mm stamp head only: please note this one does not contains only the stamp head and does not contain the handle; can match other handles well. Sealing Stamp: Ideal for embellishing and decorating cards, envelopes, weddings, birthdays, anniversary invitations, etc. And it can avoid sneaking open for important documents and some private information. Wide Usage: Widely used for customs, security, banking, insurance, legal packaging, anti-counterfeiting, high arts high-end, crafts, gifts, stationery, daily necessities, craft gifts, invitations, etc. Anyone who received it will definitely be impressed with the Envelope Wax Seal Stamp Kit.