The hello kitty supplies in Australia believe that balloons are the soul and essential of every party and they worked extremely hard to provide you with a number or a variety of different balloons which you might love to have at your party. There is a variety of various colours, these colours however match the hello kitty theme. Per package, you are provided with 6 balloons and so there are some which inflate up to 12". There are 3 different assorted designs put into the package you can purchase each package just for dollar 5.90. These balloons do require helium in them.