This 28" Primary Rainbow Birthday foil balloon is the perfect way to make your birthday celebration even more special! This balloon is two-sided and made by Anagram, the leading brand in balloons. The self-sealing design allows you to easily inflate the balloon and securely keep the air in for long-lasting fun. With its bright colors, this balloon is sure to stand out at any birthday party. Celebrate in style with this Primary Rainbow Birthday foil balloon from Anagram International.