The Spectrum Double Windee Wheelz is a 2 layer flower petal spinner with open air space in the middle of the petals. Windee Wheelz are designed to spin effortlessly in the breeze while creating a beautiful blur of rainbow spectrum colors.Weather and fade resistant polyester fabric. Fiberglass frames maintain shape and provide durability. Pre-assembled 19" and 10" diameter petal wheels. Solid rainbow colored petals. Ships flat - easy to assemble. 2-section fiberglass pole and ground stake. Assembly note: For use in high winds, we recommend using a high strength glue on the end cap - glue not included