Electronic cigarette cases; Electronic cigarette liquid (e-liquid) comprised of propylene glycol; Cases for electronic cigarettes and electronic cigarette accessories; Smokers' mouthpieces for electronic cigarettes, cigars, cigarettes; Electronic cigarettes; Cartridges sold filled with chemical flavorings in liquid form for electronic cigarettes; Cartomizers, namely, combination electronic cigarette refill cartridges sold empty and atomizers, sold as a component of electronic cigarettes; E...