Disposable pipe from Dispoze-a-Bowl. Easy to assemble and use on the go. The Dispoze-a-Bowl body is made of food grade ivory board, while the tobacco cup is made of food grade stainless steel. It has a small "carburetor" on the front to control air flow. The Dispoze-a-Bowl is a low-cost, disposable alternative to traditional glass, wood, or corn cob smoking pipes. They arrive flat and are simple to assemble.