Authentic Models Royal Aero Balloon in True Yellow Made of Wood, Cotton, and Paper Yellow/Ivory Finish 22 in. Dia. x 12.6 in. H Gliding soundlessly and effortlessly, as if in a world of their own, helium balloons have fired imaginations and appealed to a sense of romanticism. From as early as 1783, balloons have traveled the skies, often in unintended directions, but that was part of the adventure and appeal as well. Fun and decorative, the largest of our mini-collection will travel the ceilings of the home, decorating the living room, den or nursery.