Patent ID: 7571829

Claim:
A multi-unit storage device, comprising: a first metal container comprising a top end providing access when the top end is opened; a cylindrical wall coupled to the top end, wherein the cylindrical wall has a same diameter at the top end and at the bottom end; and a substantially flat bottom end, wherein the bottom end and the cylindrical wall are of a one-piece construction; a second metal container separate comprising a top end providing access when the top end is opened; a cylindrical wall coupled to the top end, wherein the cylindrical wall has a same diameter at the top end and at the bottom end; and a substantially flat bottom end, wherein the bottom end and the cylindrical wall are of a one-piece construction; and a removable snap-type lid having a lip that snaps over the top end of one of the first and second containers, wherein the first and second containers are separate containers substantially permanently coupled together with an adhesive connecting material or welding at the bottom ends in a stacking arrangement, wherein at least a portion of each of the bottom ends are in contact with each other, and wherein each of the first and the second containers is individually vacuum sealed.