A reconfigurable container is provided that includes an inner and outer wall where the inner wall may be disconnected from the outer wall, inverted and re-attached to form a container having a larger volume. The outer wall and the inner wall are detachably attached by a locking ring that secures the inner wall and outer wall in fluid tight engagement. The reconfigurable container allows for different usage modes, for example, as an open top container and as an enclosed single wall container.