This giant, clear Bobo balloon is made from a stretchy, transparent plastic material. This material provides a clear, semi-transparent appearance to the balloon. Bobo balloons are commonly stuffed with confetti or other items to create a gorgeous crystal ball look. Customize with designs or messages! Great for centerpieces, gift ideas, bouquets, or add to your balloon decor. This listing is for a Clear 36" (3 foot) Balloon. Bubble balloons can be filled with air or helium. These Bobo balloons do not include a self-sealing valve, they can be sealed with a heat sealer, ribbon, or tied into a knot. Please note: We do not offer customization for these clear balloons.