| 摘要 |
A backpack unit has an open-top body and a seat assembly secured to the upper edge of the body; the seat assembly has a seat member covering the open top of the body and a back rest member pivotally secured to the seat member and moveable between a folded position and an unfolded position upon demand. A rigid support frame is positioned in the main chamber for supporting the seat member The body defines a main chamber, which is divided into two compartments by a temperature conductive vertical dividing wall. One of the compartments is designed to retain cooling medium, such as ice, while food products can be positioned in another compartment. An audio device is secured to the front panel; the audio device can be a radio with speakers, or a headphone connection, or an iPod connection; the audio device can be a CD player and the like.
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