E-cigarettes come in a variety of shapes and sizesE-cigarettes come in a variety of shapes and sizes

E-cigarettes come in a variety of shapes and sizes, some look like traditional tobacco products like cigarettes, cigars and pipes, while others resemble everyday items like USB flash drives and pens. This should not to be confused with heated tobacco products (HTP), also known as Heat-Not-Burn products, which consist of a small tobacco stick that is heated electronically, rather than burned.