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