Balloon Time Small Helium Tank 8.9cu ft, 5inProduct Details Quickly and easily fill up balloons with this Balloon Time Small Helium Tank so you can get the party started! The light weight helium tank allows you to inflate balloons for birthday parties, sporting events, baby showers, and other celebrations wherever they may be. Simply inflate the balloons with the easy to use nozzle one to two hours prior to the event for the best results. Balloons will remain afloat for five to seven hours