| 摘要 |
<p>A bag (1) has side walls (3, 4) that are substantially impervious to moisture. The bag has an opening (6) at one end that is adapted to be sealed. A portion (11) of a side wall includes a substantially transparent material (12) which is substantially impervious to moisture. A moisture indicating material (13) is mounted within the bag adjacent to the transparent material (12) to enable the moisture indicating material (13) to be viewed through the transparent material, and at least a portion of the moisture indicator material (13) is exposed to air within the bag (1).</p> |
