Lasts 3 to 5 days. See Longevity Notes. Some items are Inflated with helium. Some items are Inflated with air. This item is Ready-To-Party™ Handcrafted piece. May vary from picture. Features Make a bold birthday statement for a fun Baby Shark themed kids birthday! Use this giant balloon with tassel garland and number pedestal to dress up any space! This design includes a silver mylar number and Baby Shark mylar balloon for extra fun. This set is Ready-To-Party™. Comes inflated and assembled. Simply unbag and enjoy. Details NUMBER PEDESTAL Color Palette: Balloon - Dark Blue, White, Pale Blue, Hello Sunshine, Wildberry Foil - Silver number, Yellow Baby Shark foil Dimensions: H (per foil) - approx. 3ft W (per foil) - approx. 1.5ft W (total) - approx. 3ft Material: Balloon - biodegradable late