Foil ball 9 years blue

Foil ball 9 years blue Foil balls are metal-coated nylon balls in which helium can easily stay for several days, even weeks, thanks to the material. The foil ball is equipped with an automatic valve that closes automatically after filling. The foil ball should not be closed separately by tying. Foil balls are not biodegradable, but they can be emptied and refilled. WARNING! The foil ball may conduct electricity, make sure that the ball does not come into contact with uninsulated electrical wires or devices. Do not attach metal bands to the ball. Do not release the ball outside, the ball is not biodegradable. Recommended for use under adult supervision. The foil balls are printed with food coloring, the color may come off the surface of the ball in rain if the foil balls rub against each other, for example. The foil balls are filled with safe helium gas, which reacts to temperature fluctuations. In cold air, the foil ball may seem deflated, when brought back to room temperature, the ball expands back to its own dimensions. Do not expose the filled foil balloon to high temperatures, as the sudden expansion of the helium can cause the balloon to burst.