The new compact Occasions Helium balloon kit is now available in compliance with the ACCC regulations for safety. This product contains approx 79% Helium & 21% +/-1% Oxygen for safety purposes. This kit comes includes: - 3.3L Helium Tank - 50 balloons and 40m of white ribbon - XtraFloat for longer lasting float time! Inflation Guide: This kit will fill approximately 50 x 9" / 23cm latex balloons OR 25-27 x 11" / 28cm latex balloons Latex Balloon float time is approx. 5-7 hours. Prolonged float times can be achieved by using Alpen's XtraFloat, Float Time Extender. This product is not suitable for inflating foil balloons. Some foil balloons may not float when inflated with Helium / Oxygen mixture, following the introduction of Consumer Goods (Non-refillable Helium Cylinders) Safety Standard 2022, requiring 21% oxygen content in disposable helium tanks. Instore inflation of foil balloons is advisable. WARNING: Do not inhale, may cause suffocation. This tank contains 3.3L of the helium/oxygen mix. Alpen do not support the release of helium filled balloons into the atmosphere. When using this product, you are encouraged to secure your balloons to a ribbon and weight.