These latex balloons can be either air-filled or helium-inflated.
Colour: White | Quantity: 25pcs
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Inflated Diameter 10.75" (27cm) Lift Ability 0.35oz 9g Gas Capacity 0.5 cubic feet Avg Float-Time 10-14hrs
When inflating with helium gas always use a Balloon Sizer to accurately fill to correct size and also inflate just before they are needed on the day of your event. Click4 recommends treating latex balloons with Hi-Float balloon treatment which will extend the float-time significantly when using helium gas.