This 9mm thickness 15 inches straight bong has a tall slim shape that easily catches peoples' eyes. The chamber of it has a beautifully designed 6-arm tree perc filter that creates a complete cleaning cycle, filtering the smoke at the bottom of the chamber through each arm. Then, the clean smoke passes through the added ice pinches, which creates a cooler feeling for you. With a little color, you have one of the most classic working pieces. There are four colors for for you to choose.