A collapsible bulk bin container with structures for improved strength is provided. The bulk bin container includes wrap-around portions in the short sidewalls with a horizontal top plate and a horizontal rib proximate the top plate. The bulk bin container also includes ramp structure in the long side sidewall and base for lifting and dropping the sidewall when pivoted upright. The upright sidewall and base include surfaces to inhibit or prevent buckling due to compressive loads. The bin can also include post and pocket interlock structures.