In the Breeze Black Rainbow Hot Air Balloon In The Breeze Item #1038 - Black Rainbow 6-Panel Hot Air Balloon Wind Spinners are made with durable polyester fabric that is stain, UV and weather resistant. The brightly colored printed fabric is laminated onto plastic panels. The panels are supported with fiberglass which maintains the balloon shape. The size is 13 inches wide by 21 inches high. A heavy duty ball bearing snap swivel is attached for easy hanging. Hot air balloons ship flat and are easy to assemble. The balloon has been partially assembled with the bottom fiberglass spars already glued into the wooden basket's plastic core. Hot air balloon hanging spinners have great visual appeal as they rotate in the wind. Enjoy color in motion.