Gold and silver, 40" Numbers 0-9 foil balloons. Birthday/Party balloons. Q1501gold40"(6) 1,SPECIAL NOTE: For the 16-inch balloon, please only fill it with air. It can not float with helium due to its relatively heavy weight. 2,The 40-inch balloon can be inflated with either air or helium. It floats when is filled with helium.