Bring your party or celebration to life with our super strong foil number balloons. Made using super strength foil to ensure minimal air loss over time, the balloons are suitable for inflation using either helium or air and grow to a large 32-inch (80cm) height once fully inflated. The balloons also feature tethering tags allowing you to easily attach ribbons or string to secure your number in place. ---Large 32” (80cm) foil party balloon ---Fast inflation with strong self-sealing valve ---Long lasting with only minimal air loss over a period of days ---Includes tethering tags to easily attach string or ribbons ---Suitable for inflation using helium or air.