| 摘要 |
A security bag (10) comprises front and back portions (14) and (16) welded together and defining an opening (20). The back portion (16) includes a flap (16A) having a line of weakness (22). A void tape (24) is attached to the front portion (14) of the bag either directly or indirectly and the back portion (16) of the bag is provided with a strip (34) of non-contact adhesive positioned so that it can be overlaid by that part of the layer (24) which is not attached to the front portion (14).
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