The watercolor glass pipe is a very popular designs due to the appearance of movement. We use a visual trick produced by two way rake on a 2 color wrap. Constructed on 19mm diameter with 3mm wall thickness clear tube. It is compact and durable. The tube is wrapped with two complimentary or contrasting colors and then raked up and down with clear. 11 combinations are available and may just match the colors of your favorite sports team.