The perfect compliment to every standard Cream Whipper (not only for Liss Cream Whippers)! LISS Cream Chargers are made of 100% recyclable steel they are painted grey non - refillable and contain approx, 8 gram of pure food - grade N2O, N2O is a tasteless and colorless gas that is widely used as a propellant in the food industry, Pack of 50 SKU: LISSKF040