18" Foil Balloon sold flat. Requires approx. 0.5 cubic feet of helium gas.
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Inflate with balloon with helium gas at room temperature, leaving crinkles around the seem of the foil balloon. Can be re-inflated. Balloon has built-in balloon valve for easy inflation.
Average good float-time: 3-4 days but may last longer depending on conditions. Once inflated, avoid exposure to extreme temperatures. In cold air, the helium balloon will deflate slightly, exposure to warm air will restore proper inflation. Excessive heat could cause the balloon to burst.
Caution: Do not release helium-filled balloons outdoors or near power lines. This balloon may conduct electricity. Misuse can cause injury. Dispose of properly. Helium gas should never be inhaled.
