| 摘要 |
A multifunctional bag structure includes a main bag which is a foldable bag structure and has a contractible strap disposed at the connection position of a front wall and two sidewalls for selectively fixing a rear fixing section corresponding to a rear wall or a front fixing section corresponding to a sidewall to fit a contracted or expanded form of the main bag. At least one fixed strap is fixed to an end of the rear wall, and at least a binding ring is disposed on another end. A cart has a wheel at both sides at the rear end of a support base, and two pulling rods are extended upward from the cart, and a handle is installed at the top of the pulling rod, so that the movable end of the fixed strap passes over the two pulling rods to another end of a binding ring and is folded in a reverse direction to connect the fixed strap. The main bag and the cart are integrated as a whole. The main bag can be combined selectively with a heating pad to form a heating bag or adds an additional bag on an external side for facilitating the playback of music.
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