This helium tank - 30 balloons is indispensable at a party where a large number of balloons need to be blown up. No hassle with blowing up, you simply connect the balloons to this tank (2.2l) and they are filled in no time. This tank is smaller and more handy but with the same capacity, making it very easy to use. The indication of the number of balloons that can be filled is based on standard balloons of 9'' inch. This number may differ for different shapes and sizes. If you would like more information or receive extensive safety instructions, please contact our <a title="customer service" href="https://www.pd-party.com/contact">customer service</a>.