For a happy birthday! Foil Balloon – happy BIRTHDAY to you – 45 cm. Contains: 1 foil balloon. You can use this article for the following party occasion(s): Birthday. A fun birthday balloon with coloured decorations and in black letters ‘happy BIRTHDAY to you’. The letters of the word ‘birthday’ have a coloured shadow. Suitable for helium and air. Can be easily hung on the handy hangtab. This item is made of foil.