| 摘要 |
A security bag (6) is formed from sheet material (1) and has a first portion (3) including an opening (8) by means of which access is gained to the interior of the bag and a closure portion (7, 14) which is superposable with the first portion (3) to seal the opening by virtue of a band of adhesive (9). An indicator means (11) is provided which is disposed adjacent the opening (8) on sealing of the opening and which provides a visible and durable indication of heating or cooling of the bag. |
