Anagram Foil Balloon 18" Over The HillAnagram 18in/45cm Over The Hill Foil Balloon. Balloon. Prismatic! Birthday. Balloon is refillable. Retain this information for future use. www.anagramballoons.com. A division of Amscan®. 1-800-554-4711. www.anagramballoons.com. ©Anagram International, Inc.