Windless, Swooper, Feather, Banner Flag HOT TUBS, Pole & Ground Spike Flags are super-knitted outdoor quality polyester with exacting accuracy in brilliant colors. Reinforced sleeve and double stitching on flying edges for durabilty. Flag measures 11.5 x 2.5 feet. Poles are 4 piece interlocking aluminum, 16' tall. Ground spike base is painted steel with 20" spike for secure anchoring.