Decorative: Dress up the room for the occasion with these fun and colourful balloons! Set options: Choose from a single pack of balloons, a set of 2 packs or a set of 3 packs. Colour options: Choose from 11 colours - see full details for list. Balloons: Get your hands on some 'Happy Birthday' letter balloons. Size: Each letter has a height of 33cm and a width of 22cm. Includes: Strings and a straw to inflate the balloons - simply lift the flap, insert the straw carefully and inflate! | 'Happy Birthday' Letter Balloons | Wowcher