This vapor may have CBD or THC oil which is inhaled in the same way to a cigarette. Disposable pens are useable straight from your pack and may be just disposed off when used. Underneath is a quick explanation on how disposable vape pen are use: The FRYD 2 Gram https://fryd2gramdisposables78765.tribunablog.com/how-fryd-2-gram-disposables-can-save-you-time-stress-and-money-37699010