Ooze Stack Pipe Silicone BubblerThe Stack Silicone Glass Water Pipe is the industrial inspired addition to the Ooze Silicone Glass product line. Featuring multiple borosilicate glass chambers, the Stack makes every sesh special. Not to mention it's great for both CBD and hemp flower and concentrates, so you can use it as either a bong or a dab rig! The Stack's packaging features a front window that shows your customers exactly what they'll receive when they purchase a Stack. Both