The Old School Funnel Glass Bowl combines silver color change fuming with decorative twisted cane. The Old School Funnel Glass Bowl is fabricated from a 14MM heavy wall Pyrex joint blank or 9.5mm heavy wall tubing for durability. It is a great addition to level up any water pipe, or is a colorful and durable replacement. Hand Made in USA Did you break that last slide for lack of a good place to put it? Get the Kind Tray Bowl Holder, to keep your collection safe and sound when not in use! The family of Old School started with the Old School Spoon.	