| 摘要 |
<p>An envelope comprises a contents-receiving body portion 11, 12 and first and second closure flaps 17, 22. The second closure flap 22 is folded into the body portion, and the first closure flap 17 is foldable about a fold line 18 to close the body portion with the second closure flap 22 accommodated therein. The envelope further comprises two perforated lines 16, 19 respectively disposed one on either side of the fold line 18 and being substantially parallel to and equally spaced from the fold line 18. The body portion of the envelope is openable by tearing along the perforated lines 16, 19 and the envelope is re-usable by lifting the second closure flap 22 out of the body portion.</p> |
