Electric balloon lights ... Re-introduced by popular request - New and improved! Green balloon lights / Dec-O-Lites. Our patented, custom made, electronic flashing or Continuous on- decorator lights will illuminate the inside of any 11'' (or larger) latex balloon but its primary function is for general decorating purposes. This Product uses a Ultra Powerful green LED built onto a Ultra Light-Weight computer chip. Patent # 5, 947, 581.