Cream chargers are small canisters choked with nitrous oxide

https://fernandoqxqr370.fotosdefrases.com/n2o-vs-standard-approaches-why-choose-nitrous-oxide-for-your-desserts

Cream chargers are small canisters jam-packed with nitrous oxide, used to whip cream without delay and create fluffy toppings for desserts and liquids.