The Dazy Funnel Glass Bowl combines silver color change fuming with concentric parallel lines of clear rod to create beautiful color changing effects. The Dazy Funnel Glass Bowl is fabricated from a 14MM heavy wall Pyrex joint blank or 9.5mm heavy wall for durability. Clear is added over the silver fume to encapsulate about 50% of the silver for beautiful blue and green alternating stripes. 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!	