Made of unique stretchy plastic. Bubbles inflate perfectly round and have a beach ball-like appearance Qu latex lets you hold the world in the palms of your hands with their jumbo-sized 22 Planet Earth Bubble Balloon. This Bubble Balloon features colorful detailed graphics of all 7 continents of the world and their many seas and oceans. Bubble Balloons are made from a unique translucent stretchy plastic that when inflated have a perfectly-round beach ball-like appearance. They can be filled with regular air or helium to make them float. Planet Earth Bubble Balloon measures 22 when inflated but ships uninflated.