What is a Puff bar?

https://puffbar.com/blogs/vape-news/puff-bar-101-everything-you-ever-wanted-to-know-about-the-puff-bar-disposable-device

A Puff Bar is a disposable, all-in-one vape device. Think of it as a cheaper, more convenient alternative to smoking a cigarette. Also minus the endless, ongoing list of negative effects on your health that come with smoking.