Whip-It! Brand: The Original Whipped Cream Chargers, 10-Pack Cream whipper and charger systems are invented by Whip-It's original manufacturing partner in Switzerland in 1950's. Each charger is cleaned numerous times with a solvent Each charger is filled with 8 grams of highest quality medical grade N2O and made out of 100% recyclable steel Works with any brand cream whipper in the market. Use one charger per pint This item is not for sale in Catalina Island