Save hours of time filling and tying individual water balloons. These will fill a whole bunch pre-tied at once in seconds,Water balloons in less than a minute, Easy to use for kids and safe,Perfect for summer time fun, outdoor games, water balloon fights, and more,When the balloons reach the desired size just pull up on straws and the balloons drop into bucket and automatically seal and are ready for action! The hose fitting and water filling straws are not reusable and should be disposed of into recycling container.