Customers always ask how long balloons last. This is sometimes difficult to answer as many variables can impact a balloon's float life. However, the answer is essential to party planning. Helium-filled balloons float due to the simple fact that helium is lighter than air. Because latex balloons are porous, helium slowly seeps through the pores. As less helium is left in the balloon, the balloon decreases in size and simultaneously floats lower to the ground until there is no longer a sufficient amount to keep the balloon afloat. The typical indoor float life of 12" latex balloons is 10-12 hours. If outdoors, this float life can be expected to decrease by at least half. Part of the reason a balloon doesn't float as long outdoors is due to temperature. The hotter it is, the more susceptible the balloon is to popping. In contrast, balloons typically contract in extreme cold, which decreases the size of the balloon. Ceilings that are texturized or have abrasive surfaces
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