Cotton Candy Floss Bubble. Protect your cotton candy from the wind, debris, and other elements with this sturdy cotton candy bubble. Also offers protection to your customers from flying sugar debris that may be directed toward their eyes. Some local health departments do require a floss bubble as well while operating your cotton candy machine. Clips to any 25" to 26" diameter floss bowl. Stainless steel clips furnished, but not installed. Virtually unbreakable bubble under normal use.