noun
currency strap; banknote band
A paper band used to bundle banknotes, often with the issuing bank's name printed on it.
銀行で帯封のついた札束を見た。
I saw a bundle of bills with a currency strap at the bank.
noun
mailing wrapper; newspaper wrapper
A paper band or wrapper used to bundle newspapers, magazines, or other mail for delivery.
新聞に帯封をかけて郵送する。
I put a mailing wrapper on the newspaper and mail it.