A dispensing vessel for introducing moisture into a clothes drying environment includes a sponge-like core configured to at least temporarily retain a moistening substance therein, a generally oblong-shaped cover substantially surrounding the core and retaining the core in a compressed condition, and a moistening substance retained within the core. The cover includes a fill opening defined therethrough, the fill opening providing access to an interior of the cover from an exterior of the cover, a plurality of protuberances spaced generally evenly from one another, each protuberance having a generally conical shape, and one or more dispensing openings, each dispensing opening disposed at a distal end of a protuberance of the plurality of protuberances, and each dispensing opening providing access to an exterior of the cover from an interior of the cover. Furthermore, each of the dispensing openings is not positioned generally opposite the fill opening.