Whip-it! Cream Chargers 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 - Made from the highest-grade,100% recyclable steel - Filled with the purest-quality, food-grade nitrous oxide gas - Each case contains 600 cream chargers more: https://www.iewholesale.online/whip-it-brand-cream-chargers.html