Lightweight, easy to use and reliable, Helium King is the UK's best selling Helium Cylinder. Sold: Pack of 2 Each Helium Tank contains 0.41 Cubic metres of Pure Helium and will fill up to: · 50 x 9” latex balloons · 25 x 11” latex balloons · 18 x 12” latex balloons · 18 to 20 x 18” foil balloons Latex balloons are porous and have an average flotation time of around 6-8 hours depending on the size of the balloon and room temperature. Due to this we advise to inflate the balloons 1-2 hours before the party/event. Treating latex balloons with Ultra Hi-Float (available separately), can make them float up to 25 times longer! Float time of a foil balloon: 5+ days.
We hope you’ll love this product, but if you do want to return or exchange it for any reason, you can. As long as we receive it within 14 days from the date of delivery, and it remains in a re-sellable condition, we’ll give you a refund. In the unlikely event that your product is faulty, damaged or simply isn’t what you ordered, we’ll cover the cost of return postage.