iSi Chargers: Perfect Results, Quality Guaranteed. Each Austrian-manufactured iSi Soda Charger is made under rigorous quality control. All chargers are individually weighed and stamped with a lot number that can be traced back to its date of manufacture. These standards ensure you receive the right amount of pure gas, every time, guaranteed. Designed to work exclusively with our iSi Soda Syphons or iSi Cream Whippers, our chargers are made of high-quality steel, are 100% recyclable, HACCP-certified, and never expire. The Original iSi Soda Charger Contains 7.5 grams of pure CO2 (Carbon Dioxide) Painted gold, 100% steel construction Leak-proof Each non-refillable iSi Soda Charger is enough to charge a filling volume of up to 1 litre - Weight/cardboard: 11.0 kg - Size/cardboard: 24x19x21 cm Shipping: Same day dispatch if order before 1pm. For more info and products check out quickwhip.com.au