A container assembly including a first and second component. The first component includes a first base, a first plurality of side walls extending upwardly from the first base, and a first lip extending outwardly around a perimeter of the first plurality side walls. The second component includes a second base, a second plurality of side walls extending upwardly from the second base, and a second lip extending outwardly around a perimeter of the second plurality of side walls. The first and second components are convertible between at least a spaced configuration, a first locked configuration, and a second locked configuration. The first and second components are completely separate from one another in the spaced configuration and define an interior in the first and second locked configurations. An orientation of at least one the first and second components is different in the first and second locked configurations.

A pet fountain comprises an upper bowl, a base including a lower bowl. The upper bowl can be secured to the base so that it is elevated above the level of the base. The lower bowl is sufficiently large to accommodate the upper bowl when the upper bowl is not secured to the base. The internal space of the lower bowl has at least one span that is slightly greater than the longest measurement across the upper bowl.

A plastic article useful as a riser for a septic tank or as a water tank article is comprised of a multiplicity of plastic rings which are attached vertically to each other at joints. Ring pairs which alternately have inward and outward sloping conical walls nest within each other for shipment or storage. A lid is shaped for use with the topmost ring to cover the opening irrespective of which conical shape the ring has.

A reconfigurable container is provided that includes an inner and outer wall where the inner wall may be disconnected from the outer wall, inverted and re-attached to form a container having a larger volume. The outer wall and the inner wall are detachably attached by a locking ring that secures the inner wall and outer wall in fluid tight engagement. The reconfigurable container allows for different usage modes, for example, as an open top container and as an enclosed single wall container.

A hair color retouch kit, components of the kit, and methods of use and doing business. The kit can include one or more mixing containers. In one embodiment, a mixing container provides a colorant compartment for sealingly or separately containing a custom hair coloring formulation and peroxide compartment for sealingly or separately containing peroxide. The mixing container(s) can be used by a professional hair colorist to provide a hair coloring client with custom hair coloring formulation and peroxide that can be mixed and applied by or for the client to hair regrowth that occurs after a hair coloring session with the professional. The kit can provide other components as desired, such as a mixing spatula, an applicator brush, and instructions for example. The kit can be packaged in attractive and efficient packaging, include indicia identifying the source of the kit, and be customized to promote the colorist, salon, or other entity.

A storage container in one example having a first vessel with a first perimeter edge defining an opening bounding a first containing basin; a second vessel having a second perimeter edge defining an opening bounding a second containing basin; a sealing ring having a rigid frame; the sealing ring having a perimeter seal on the rigid frame, the perimeter seal in continuous contact with and removably sealed to the first perimeter edge of the first vessel; the perimeter seal continuous contact with and removably sealed to the second perimeter edge of the second vessel; a first latching mechanism mechanically connecting the first vessel to the sealing ring; and a second latching mechanism mechanically connecting the second vessel to the sealing ring.

Apparatuses, systems, and methods are presented for nesting lid containers. An apparatus includes a first container that includes a bottom, at least one container side wall located perpendicular to a first surface of the bottom and extending from the first surface of the bottom to an open top to form a container, at least one divider side wall configured to partition the container into a plurality of sections, and a suction-type element located on a second surface of the bottom opposite the first surface, the suction-type element configured to selectively adhere the first container to a surface. An apparatus includes a second container that is configured to receive the at least one container side wall of the first container and selectively be secured to the first container such that the second container acts as a lid for the first container.

Four embodiments of a tray are disclosed for transporting and storing milk containers and for nesting the trays for their return trip to their origin.

A custom hair coloring container, components of the container, and method of use and doing business. In one embodiment, the container includes a container body, a hair colorant container section of the container body removably mountable to a peroxide container section of the container body, and the hair colorant container section and the peroxide container section collectively forming a cavity with an inside surface. The hair colorant container section may include a first interior seal threadedly engaged with the inside surface within the hair colorant container, and the peroxide container section may include second interior seal threadedly engaged with the inside surface within the peroxide container section.

A hair color retouch kit, components of the kit, and methods of use and doing business. The kit can include one or more mixing containers. In one embodiment, a mixing container provides a colorant compartment for sealingly or separately containing a custom hair coloring formulation and peroxide compartment for sealingly or separately containing peroxide. The mixing container(s) can be used by a professional hair colorist to provide a hair coloring client with custom hair coloring formulation and peroxide that can be mixed and applied by or for the client to hair regrowth that occurs after a hair coloring session with the professional. The kit can provide other components as desired, such as a mixing spatula, an applicator brush, and instructions for example. The kit can be packaged in attractive and efficient packaging, include indicia identifying the source of the kit, and be customized to promote the colorist, salon, or other entity.