Anagram high quality product Helium retention: up to 3 weeks Excellent quality and colours Can be inflated with air or helium Sold flat, inflate when you need it Large blue foil balloon. Height 88cm (35"). Width 58cm (23"). Balloon sold packaged& un-inflated. Helium saving. A huge number 7 foil balloon in blue. Inflate with helium for a dramatic balloon decoration. Each balloon has hanging tabs attached to the top, sides and bottom creating various ways to display. Full range of numbers in pink are available.