It's not written in permanent marker and sealed in a security envelope with super glue.
并不是用记号笔写下来，装进一个十分密封的信封里，最后用万能胶粘起来。
The utility model provides a sanitary convenient envelope with glue which is convenient for sealing and can not stick letter paper.
本实用新型向公众提供一种便于封口，既不会粘住信笺，又讲卫生的带胶方便信封。
Furthermore, if the envelope is widely used, in the stamp production, glue is not needed to be brushed on the back side of the stamp.
另外，若广泛使用这种信封，邮票生产就可不必刷背胶了。
The utility model provides an envelope capable of sealing the opening of the envelope without applying other glue or paste.
本实用新型提供了一种不需另涂胶水或浆糊，就可将封口粘牢的信封；
The utility model provides an envelope capable of sealing the opening of the envelope without applying other glue or paste.
本实用新型提供了一种不需另涂胶水或浆糊，就可将封口粘牢的信封；
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