| 摘要 |
An inner bag has a D-ring base element integral with a channel on a top edge of each geometrically shaped end wall. A front, back and base panel join the end walls together. Flaps are joined along a top edge of the front and back panel and the two flaps are held together by a zipper to close the top of the inner bag. An outer bag has slightly larger side, front, back and base panels compared to the inner bag. An inside top edge portion of each side panel on the outer bag has a strap forming a slot between the strap and the end panel. The D-rings from an inner bag are slid through the slot to join the inner bag to the outer bag. A top cover flap is attached to a top edge of the back panel of the outer bag and is folded over the top of the outer bag to enclose the inner bag. A strap connected to the D-rings support the connection of the inner and outer bag.
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