20" Deco Bubble Clear - Pack of 5 Qualatex Bubble balloons are neither latex nor foil - they are made of see-through, stretchy plastic that will float for weeks! When fully inflated, bubble balloons are round with smooth, wrinkle-free seams providing a beautiful 3-D effect from every angle. Plus, bubble balloons are very durable, never oxidize, and are non-allergenic. This Qualatex balloon is of the highest quality and can be filled with helium. Balloons add a festive touch to all your events!