A container can include a plurality of side panels defining an interior space, and an inner partition member disposed at least partially within the interior space. The inner partition member can be configured to be at least partially conformal with the plurality of side panels in a first position, and to form one or more partitions dividing the interior space in at least a second position. In certain embodiments, only a portion of the inner partition member can be attached to an interior surface of the plurality of side panels such that the inner partition member can be configured to be moved between the first position and at least the second position.