The day you turn 18 is a very special day - who doesn't remember the 18th birthday party your friends and family threw for you? Everyone! That's why it's important to organise an unforgettable party if you have someone close to you who is turning 18. This gas balloon can fit in perfectly with the party you are organising. Furthermore, it's a surprise balloon, as it comes hidden in a big box, and tied to a super cute stuffed animal. As soon as the birthday boy or girl opens the box, the balloon will fly out - it's a super cool surprise! The design is very trendy, perfect for young and lively people, so make the most of the occasion and have a very special birthday party!