Add a sweet touch to your birthday celebrations with this 35cm Happy St Pat's Shamrock foil mylar balloon. This 35cm Kaleidoscope party balloon will make your tastebuds and your party celebrations soar! This balloon includes a self-sealing valve, preventing the gas from escaping after it's inflated. The balloon can be inflated with a balloon air inflator or air only. Helium is not suitable. Balloon arrives uninflated.