To provide a backpack capable exerting a function as a working table in a state of "being worn inversely".
This backpack 10 includes: a storage section 12 which has baggage chambers S1 and S2 for storing baggages; a pair of left/right shoulder belts 14a and 14b integrally provided with the storage section 12 so as to be positioned in the back side of the storage section 12; a front opening section 16 provided in front of the storage section 12; a closure section 18 for openably closing the front opening section 16; a base section 80 disposed at the baggage chamber S2; and a turning support section 82 which is rotationally attached to the base section 80, is configured to be changed over between a "storage state" stored in the baggage chamber S2 and a "projecting state" projecting to the outside of the baggage chamber S2 from the front opening section 16 and supports a supporting object Q in the "projecting state".
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