| 摘要 |
<p>A re-usable envelope is provided with at least one additional closure flap 6, 7 spaced from the usual closure flap 5. After the envelope has been used once the end may be cut away adjacent the second flap 6 to permit the smaller envelope to be re-used. This process may be repeated with the third flap to permit the envelope to be used a third time. The flaps can be provided on the same or opposite surfaces of the envelope. <IMAGE></p> |
