Mylar balloon made of a polyester material that makes this article very resistant and if kept safe, may be reusable many times.
It can be inflated with helium gas or just air (using a pump). It is also equipped with self-locking valve that prevents the escape of gas (air or helium) once inflated.
In the accessories section, you can find helium disposable cylinders or air pumps.
Mylar balloons can be recycled, which in turn helps save the environment.
Note: The listed average inflation sizes, lift ability, and gas capacity are conservative averages.