The mark consists of a plastic water bottle as shown, namely, a plastic water bottle having a transparent, generally cylindrical container body with rounded shoulders interconnecting the upper and lower extremities of a cylindrical sidewall to a relatively narrow container neck and a generally flat, circular container bottom, respectively; an opaque screw cap releasably engaged with threads on the upper portion of the neck and having a button connected to the center of its top surface via a short stem; and a strap terminating in small and large annular rings respectively encircling the button stem and the lower portion of the neck such that the large annular ring is spaced apart and visually distinct from the screw cap, wherein the ratio of the diameter of the generally cylindrical container body to the overall height of the water bottle is approximately 0.4 and the ratio of the height of the generally cylindrical container body extending between the neck and the container bottom to the overall height of the water bottle is approximately 0.8.