This item, 12" Disney Planes Inflate-A-Fun Foil Balloon, air-fill, is great for the following themes or uses: Licensed Characters, Cars The Movie Balloons, Licensed Characters. You get one balloon for this price.. These 12" air-fill balloons have a self-sealing valve - no heat sealer required! To inflate, simply blow in the end of the handle. This balloon will not float when inflated with helium.