| 摘要 |
A bag comprises a sheath which includes a first wall portion and a second wall portion joined longitudinally by gusseted sidewalls portions which define the bag volume. The sheath has gusseted regions having a first sheath thickness and a non-gusseted region between the gusseted regions having a second different sheath thickness. The bag also includes a first handle disposed on the exterior surface of the first wall portion at the first end of the bag and a second handle disposed on the exterior surface of the first wall portion at the second end of the bag. The first handle and second handle have outer regions having a first sheet thickness and an inner region having a second different sheet thickness. The sum of the first sheath thickness and the first sheet thickness is equal to the sum of the second sheath thickness and the second sheet thickness.
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