This sparkling foil balloon has multicoloured stripes and a large number '18' in bright red and purple! The balloon is also decorated with star and swirl motifs! This balloon will be sure to brighten the day of any birthday boy or girl, and will be a fun surprise on their special day!our radiant 18th birthday balloon in a box comes complete with inflated foil balloon, satin ribbon, star shaped balloon weight, personalised message card, colourful tissue paper, and classic polka dot box. These balloons can retain helium for up to 3 weeks! It is the perfect gift for your loved ones. Colours may vary.please write your message in the box below we will send your balloon out to that someone special! Complete with ribbon weight.if a message is not written we will not send a card.we only send these products with our courier priority service. The product will be dispatched one day prior to your required by date. Only posting to uk mainland.