Set contains: 1 x Giant Rainbow Shape Foil Balloon - 81cm / 32 in 2 x Nude Cream Heart Shape Foil Balloons - 45cm / 18 in 2 x Happy Birthday Max Float Round Foil Balloons - 45cm / 18 in Ribbons included. Material: Foil Helium Cubic Capacity: 0.124m³ These balloons seals themself. These balloons can be filled with helium OR air! Requires helium gas inflation for a floating effect. Air-filled balloons stay grounded and make wonderful additions to balloon arches or displays without the use of helium. Helium gas cylinders and balloon weights sold separately. Balloons delivered flat. Disclaimer: Colour shades may vary from other matching items of the same colour.