These balloons can be inflated with helium or air. In the latter case, they do not float. The lifespan of a balloon inflated with helium is a few hours, and can be extended to several days by using the gel HI Float. , , Uninflated or damaged balloons may present a choking or suffocation hazard to children under 8 years of age. Adult supervision is required. 5 footballs. Material- Biodegradable latex.