The present application discloses an extendable hamper comprising a first wall, a second wall, a third wall, a fourth wall and a bottom base. Each of the first wall, the second wall, the third wall and the fourth wall comprise an extension wall and a bottom. The extension walls are folded and the bottom base is supported by the extension wall during a smaller hamper mode. The bottoms are folded and the bottom base is supported by the bottoms during a larger hamper mode. A method for utilizing the aforementioned extendable hamper is also disclosed, comprising: extending the extension walls; folding the bottoms: and disposing the bottom base to be supported by the bottoms for the larger hamper mode.