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DUAL SIDE / Envelope


We have always used only once for the envelope. Anything else in this way to reduce waste? This is one of the envelope can be used twice.
Dual Side using a reattachment to be able to use both sides.
and Extend the address bar, the position of the receiver are the same.


Myongji university

Myongji university
Yongin-si, Gyeonggi-do, South Korea