2 Pack Royal Blue Sphere Mylar Foil Helium or Air Balloons 18″ 4D

[About] Quantity: 2 Balloons Material: Mylar Aluminum Foil Color: Royal Blue Shape: 4-Sided Ball Product Diameter: 18″ Automatic Sealing: Re-Inflatable, and feature a 1-way built-in sealing valve that locks in Helium/Air for Long Lasting inflation. Foil Balloons Float for Up to 4 Weeks! [Information] Additional Information: Shape: 4D Round Ball Can be filled with air or helium These Foil Balloons are Re-Inflatable Balloons are shipped flat Note: The balloons are reusable! Just insert a straw into the valve and squeeze the air or helium out of the balloons, fold them up and store them away from direct sunlight.