HAPPY CHRISTENING FOIL BALLOON SETS. Size: 16 inches. Color: Silver. Super affordable. for event and party needs. Color: Gold. These are alphabet shaped balloons excellent for party decorating and can be filled with helium or air. Make your baby's christening day more special and unforgettable. Decorate the place with this foil balloons. Fill each balloons with air or helium then flash and hang it on the wall. You can add other decorations to make it more appealing and attractive.