The wax seal stem from the Eastern Zhou dynasty.
To seal the envelope with sealing wax, began to popular from about sixteenth Century. Only used by the aristocrat or the rich, it can also be used to seal the important documents, or to create a sealed container seal. Nowadays, it is mainly used for decorative purposes, scrapbooks, decorative certificates and sealed envelopes, greeting cards and invitations. Its previous role is mainly to ensure that the content of the envelope is safe.
Wax (usually in the form of a bar, but some are very traditional) with core wax and wax particles. When needed, cut a small piece of wax stick placed on a small spoon, heated and melted into the needs of the envelope can be sealed.