Electronic cigarette atomizers sold empty; Electronic cigarette holders; Electronic cigarette liquid (e-liquid) comprised of flavorings in liquid form, other than essential oils, used to refill electronic cigarette cartridges; Electronic cigarette liquid (e-liquid) comprised of propylene glycol; Electronic cigarette liquid (e-liquid) comprised of vegetable glycerin; Electronic cigarette refill cartridges sold empty; Electronic cigarettes; Electronic cigarettes for use as an alternative to traditional cigarettes; Electric cigarettes; Oral vaporizers for smoking purposes; Smokeless cigar vaporizer pipes; Smokeless cigarette vaporizer pipe; Smokers' oral vaporizer refill cartridges sold empty