PARTY DECORATION: Hang this giant foil happy birthday balloons banner in the living room, or any party hall, and show the birthday boy or girl how much you love them. Colorful foil balloons will surely make the decoration more vibrant & lively. APPLICATION: Use this multicolor balloon banner for indoor & outdoor birthday parties, a rainbow theme birthday party, or any other on-site decoration. DISCOUNTED SERVICE: Visit your nearest Wanna Party outlet to get your balloon Air Inflated for FREE, and we fill Helium Balloons at a discounted price if you buy from us. We also add ribbons and balloon weights to the balloon for free. QUALITY: This balloon includes a self-sealing valve, preventing the gas from escaping after being inflated. PACKAGE INCLUDES: 13 pieces of letter balloon. Each letter measuring 16 inches.