This ad features 1 (one) ALIEN INVASION twisted stem, gold fumed 3 1/2" one hitter sized pipe. This pipe is very well made from thick borosilicate glass, an inside gold colored fumed accent, a spiral twisted inside, a flat flared mouthpiece and various inside accent effects. This pipe will not roll away when laying on a flat surface due to the flared mouthpiece. This one hitter pipe is about 3 1/2" long and about 3/4" in outside diameter at the bowl area. The tobacco bowl itself is about 1/2" in diameter x 5/8" deep and is bucket shaped with a slightly tapered bottom and a single hole at the bottom. The stem is about 1/2" in diameter by the bowl area and then expands to about 1/2" wide x 5/8" thick near the mouth piece.