Rainbow dots for 40 years! Foil Balloon – 40 – Rainbow – 45 cm. Contains: 1 foil balloon. You can use this article for the following party occasion(s): Birthday. A balloon that will make any 40-year-old happy. With coloured dots that together are reminiscent of a rainbow. Suitable for helium and air. Can be easily hung on the handy hangtab. This item is made of foil.