This ad features a 4 1/2" SPIRAL HELIX RED spiral glass smoking pipe with light iridescent silver fuming, A twisted spiral center stem, a set of red stripes around the head end and mouth-piece, and an air control hole on the left . This pipe is great looking, portable, easy to smoke and a good addition to your collection. Over-all a good compact pipe. Like all chameleon silver fumed pipes the exact hue and glow from the pipe depends upon what background color you hold it against and the light source. Since the fuming is very light, when the pipe is viewed against a black background it has a very dim purple iridescent color, against a white background it has a dim blue-yellow iridescent glow - a very cool and unique property of this unit. This pipe is about 4 1/2" long, with the head end of the pipe shaped as shown and about 1 3/4" wide with an air control hole on the left. The tobacco bowl itself is about 3/4" diameter x 3/4" deep. The stem of the pipe is about 3/4" diameter just under the bowl end expanding to 1" in diameter at the end of the stem by the mouthpiece.