Space Mission Foil Balloon Foil balloons make decorating for your party easy and fun. Add to a balloon bouquet or tie to the birthday child&apos;s chair for a great look! Includes (1) Foil balloon which measures approximately 18 in diameter. Pattern is printed on both sides of the balloon - may have two different images on either side. Add Latex balloons curling ribbon and balloon weights to create a truly uplifting arrangement.