| 摘要 |
The sleeping bag consists of the bag proper, a pneumatic mattress and the cover. The cover can be placed between the pneumatic mattress and the sleeping bag in order to insulate them, in extreme cold. The three sections are joined by interlocking male and female strips. - The sleeping bag and mattress can by detached from the cover which can be used separately. The mattress is made of six equal, cylindrical parts, each with an inflation tube.
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