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No other parts of this whole trash. It has a pocket can hold a roll of garbage bags, and the pocket has a gap interlinked with the ash-bin inside. Garbage bags through the gap into the ashbin inside.Throw away the used bags, and the next new will come out.The trash mouth using rubber material, using its soft and resilient character. After replacing the garbage bag, it only need to be folded down, and you can fix the garbage bag well.
Beijing University of Technology