A portable bag is provided, comprising: a plurality of surfaces constructed of a foldable material and comprising at least a front surface and a rear surface connected relative to each other by a pair of side surfaces, a bottom surface, and a top surface opposite the bottom surface; at least two handling openings, the at least two handling openings being integrally defined on at least one of the plurality of surfaces, the at least two handling openings being positioned substantially adjacent opposing sides of the at least one of the plurality of surfaces; and an interior liner further defining the interior compartment of the portable bag, the interior liner being positioned intermediate the interior compartment and the plurality of surfaces, at least two portions of the interior liner being inset relative to the plurality of surfaces to define respective cavities substantially aligned with the at least two handling openings.