burton+BURTON 18 Iridescent Congrats Grad Balloon #4986418. 18 flat round holographic iridescent balloon. Rainbow ombre with a black grad cap and message Congrats Grad! . Inflation Information: Balloons arrive uninflated. Helium inflation available in store for an additional cost. Always dispose of balloons properly. Do not release balloons into air. WARNING: CHOKING HAZARD - Children under 8 years can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.