Our Entrancing Mystical Water Column Kit will dazzle your Prom guests during your under the sea Prom night. The unique 46" high x 8" diameter. column is made from a water pump, plastic, color changing underwater light, and sequin fabric. Once assembled, this water column "bubbles" from top to bottom, somewhat like a lava lamp! Complete "Beyond the Sea" theme includes 3 water columns. Assembly required.