A large bottle has a lower region, an upper region, and an intermediate region with a cap removably positioned on the upper region. A small bottle has a lower region, an upper region, and an intermediate region with a cap removably positioned on the upper region. A coupling tube has an upper end and a lower end. The upper end is operatively coupled to the small bottle at the upper region. The lower end is operatively coupled to the large bottle at the lower region. A long web attaches the coupling tube to the large bottle. A short web attaches the coupling tube to the small bottle. A display panel removably receives and supports a plurality of large and small bottles.