This new Stretch-Balloon is very sturdy and is filled with helium and floats for numerous weeks! The Double-Bubble-Balloon with a diamter of 56cm is filled with helium (not poisonous, non flammable, non explosive and allowed in closed rooms) and a little ballon. Many ribbons and small balloons decorate this gift. The large balloon is connected with a foot of small balloons and a weight to keep the balloon from floating away. The height of the balloon is 190cm.