Electronic cigarette atomizers sold empty; Electronic cigarette lighters; Electronic cigarette liquid (e-liquid) comprised of flavorings in liquid form, other than essential oils, used to refill electronic cigarette cartridges; Electronic cigarette refill cartridges sold empty; Electronic cigarettes; Electronic cigarettes and oral vaporizers for smokers; Oral vaporizers for smoking purposes; Cartridges sold filled with chemical flavorings in liquid form for electronic cigarettes; Cartridges sold filled with propylene glycol for electronic cigarettes; Cases for electronic cigarettes and electronic cigarette accessories; Chemical flavorings in liquid form used to refill electronic cigarette cartridges; Flavorings, other than essential oils, for use in electronic cigarettes