Phoenix Star 5 Inches Glass Hand Pipes With Glycerin PHX627 is a very compact glass pipe. It is 5 inches long so you can put it in your pocket when you are outside, convenient to carry. Our hand pipe is constructed of durable Boros glass with a conical bottom for stability. There is a slim channel, open at both ends, and a bowl closer to the bottom. You fill the bowl with anything smokable, cover the bottom side with a finger, light the bowl and inhale on the other side. Then your can experience the wonderful taste. This glass hand pipe is very easy to operate. The glass pipe comes with medical-grade glycerin, which won't expand when the freezable glass pipe is frozen. You can put it in your fridge for 1 to 2 hours or more for a smoother and cooler hits.