In Japan, this envelope is used to give New Year's money, tips at inns, etc., and pocket money for children in this bag. When giving small amounts of money, it is a more polite way of expressing gratitude than putting it in a regular envelope. When giving money as a small token of appreciation, this envelope can be used to give it in a manner consistent with polite Japanese etiquette. Contents: 15 packs of envelopes. Envelope size: 7.07 x 3.50 in. Envelope material: Paper. Self-sealing type that can be closed by simply peeling off. Size: The size can hold Japanese and U.S. bills without folding them. These envelopes are made of high-quality Japanese paper because they are manufactured by a paper manufacturer in Ehime Prefecture, established in 1966. Japanese Gift Envelopes for Cash, for money.