Abstract: An inverted bottle assembly includes a bottle, a tip insert, and a cap. The bottle may include: 1) a rounded top portion engaged with or adjacent to a sidewall portion, 2) a base portion engaged with or adjacent to the sidewall portion, 3) a conical flange engaged with or adjacent to the base portion, and 4) a neck portion engaged with or adjacent to the conical flange. Additionally, the bottle may include a non-round cross-sectional shape. The tip insert may engage with the neck portion of the bottle. The tip insert may also have a nozzle with a nozzle passageway with an opening. The cap may cover the tip insert and the neck portion. The bottle assembly may also include first and second sealing structures within the cap.