This 18'' Boston Red Sox Foil Balloon is perfect for any baseball fan! It is two-sided, and made by Anagram, a trusted leader in the party industry. The balloon is self-sealing, so you don't have to worry about any leakage. It is sold with one balloon per package, and quantity discounts are available. It is perfect for any Boston Red Sox event or sports theme. Anagram International guarantees a quality product and beautiful decorations for any occasion.