They have a battery section the long part which would contain tobacco on a combustible cigarette and a cartridge section (which would be the butt on a combustible cigarette. . All Ezee cartridges and pods come prefilled with e-liquid so there’s no refilling, dripping, or leaking. We purchase all of our products directly from the manufacturer or authorized distributor, and store them entirely in-house - Disposable E-Cigarettes.