Dispoze-a-Bowls are so simple to build anyone with at least one thumb and one other finger can do it Dispoze-a-Bowls are GREAT FOR TRAVEL. Stop leaving expensive glass pipes behind for housekeeping! The Dispoze-a-Bowl can be discarded after a single use, or used multiple times depending on user preference. The Dispoze-a-Bowl body is made of food grade ivory board and the tobacco cup is made of food grade stainless steel. The Dispoze-a-Bowl has a small "carburetor" at the front for managing air flow. With a little experience, you'll be ripping massive drags.