Beistle 52138-13 "13" Whirls. The package contains 5 colorful birthday whirls. The whirls come in assorted colors and have assorted designs of stripes, zig zags and dots. They are 3 feet long. The "13" icons are made of board stock and the whirls are metallic. Hang these very nice whirls from a ceiling for a 13th birthday party.