Abstract: A container includes an identifier portion capable of receiving an identifying mark for conveying information such as the possessor of the container, the contents of the container, a desired message, or a combination thereof. The container may be a drinking cup or a container for storing contents such as food and the like. The container may be rigid, such as a glass or a hard plastic, or flexible, such as a re-sealable flexible storage bag. The identifier portion may comprise text, graphics, raised lettering or symbols, color coding, aroma coding, or a combination thereof. The identifier portion may be integrally formed with the container or attached to a surface of the container. The identifying mark may be written on, drawn on, painted on, sprayed on, inserted into, extracted from, permanently formed on, the identifier portion; or a combination thereof.