Balloons inflated with helium include 1.5m String and curling ribbons attached The floating hours of helium latex balloon is up to 10 to 12 hours. HI-FLOAT balloon treatment is a solution of a plastic material dissolved in water. It forms a coating inside latex balloons that greatly reduces helium or air loss. With HI-FLOAT, party decorations can be prepared a day ahead of time, and balloon bouquets will float for several days. Please plan your collection or delivery timing for the helium latex balloons accordingly.