We are one of the UK 's leading suppliers of printed balloons, and helium gas. Helium Balloon Gas Supply. Helium from FT Promotions. Helium Balloon Gas to blow up your balloons. Helium at competitive prices. V size Cylinder to fill approx 200 10inch balloons or 125 12inch balloons. We supply helium for balloon inflation, we have disposable helium for small parties and rental, Latex Balloons, Foil Balloons, party balloons. Add £42 for delivery and collection of cylinder. Delivery Time Required- 3 days from confirming order. Optional Extra- Latex Filling Kit hired for maximum of 25-30 days at £12 We would recommend to have V size cylinder delivered few days before the event.