These pipes are hand crafted from one single piece of material. They are available in over 25 (currently) different colorations. These pipes have a standard .625 diameter bowl, and a carburetor for easy smoking. The Coffin shape is undoubltly captivating! It has superb ergonomic lines that are not only attractive, but also lend to a gratifying experience. Their unobtrusive shape and size allow for convenient travel in a pocket or purse. Because these pipes are practically indestructible, there are no worries of them breaking