Abstract: A storage device, comprising, a first bowl comprising, a side wall having an exterior surface a predetermined height and curvature, a base connected to the side wall, and a first protrusion connected to the side wall distal to the base and extending outward from the exterior surface of the side wall, and a second bowl comprising, a side wall having an exterior surface a predetermined height and curvature and an opening, a base having a top surface connected to the side wall, and a second protrusion extending upwards from the top surface of the base a predetermined distance from the connection of the base and the side wall, wherein the first bowl is sized so that the protrusion is able to fit underneath the second protrusion engaging the first bowl with the second bowl, a spout inserted into the opening in the side wall of the second bowl.