a leg assembly for selective attachment to a portable support structure having a base and removable lid said leg assembly . the leg assembly includes a plurality of legs that are selectively attachable to both the base and lid . when attached , the legs extending from the base to the lid thereby supporting the lid . the legs are substantially parallel to one another . the assembly further includes at least one cross member extending between two of the legs to stabilize and prevent lateral movement of the legs . the cross member also abutingly contacts and supports the lid so that the base and lid may function as a support structure .