Patent ID: 7451875

Claim:
A container storage system including a plurality of nestable containers, each container being of a different size, wherein each container includes: a base and a flat lid; said base includes: a wall extending up from and perpendicular to the base forming a pool therein, with an upper edge of said wall forming an open end of said container; a first lip being an outwardly and radially extending rounded protrusion from the upper edge of said wall and beyond an outer surface of said wall around a periphery of said wall outside said pool on a side opposite said base, an upper surface of said first lip being an extension of the upper edge of said wall; a second lip being an outwardly and a radially extending rounded protrusion around the periphery of said wall outside said pool, a bottom surface of said second lip being a smooth extension of a bottom surface of said base, said second lip extending beyond the outer surface of said wall, the outer surface of said wall extending smoothly and uninterruptedly with no offset portions between said first and second lips, said wall having a smooth outer surface between said first and second lips; said flat lid having a shape and size that corresponds with a shape and size of said base, said lid including and limited to a single retaining channel extending around a periphery thereof for releasably receiving one of said first and second lips for releasably securing said lid to the open end of said container or said bottom surface of said base of said container for storage within a larger container, said retaining channel formed by an annular wall extending at a right angle to a plane of said flat lid from an outer edge of said lid and terminating in a bulbous annular edge extending radially inwardly, said bulbous annular edge being snapped onto either the first or second lip of said container; and said containers being color coded by having a lid color match a color of said second lip of each container base, said color of said second lip being limited to only the second lip of the base, at least one of said containers having a color different from any of the other containers.