Package Contents: Helium Tank Happy Birthday 18-piece set Quantity: 1 piece Contents: 1 30-helium tank, 12 latex balloons, 4 foil balloons, and 1 roll of ribbon Float time: latex balloons 5–7 hours & foil balloons 1 week Use: Helium tank (non-reusable) with filling valve; balloons and ribbon not included Closure: valve (tank has a shelf life of at least one year at room temperature) Color: colored Material: foil, latex, and metal
