Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times Buy JUUL Products Shop All JUULpods, JUUL Devices, and Accessories JUUL A new twist on vaping: Juuls are small, discreet, and have health and school officials concerned St. This vaping device, called a JUUL, might look like a USB drive, but it contains nicotine and other harmful chemicals. Alarmingly, this easily hidden device and its enticing vapor flavors, like