Includes 1 pack of 50 professional cream chargers, each charger contains 8 grams of 100% food-grade nitrous oxide. N2O is a tasteless and colorless gas that has been safely used as a propellant in the food industry for over 50 years. Made of 100% recyclable, anodized steel. 100% compatible with other brands. NSF, TUV, HACCP, and Halal certified for commercial use. Our factory's arduous proprietary cleaning process guarantees zero oil residues ensuring the cleanest chargers possible. To use, fill the Frieling cream whipper container with the liquid of your choice, then charge the container with one of the Frieling chargers.