Kryo - Glycerin Upright Bubbler Bong | FreezableProduct Description KRYO is a high end line of freezable glassware. Each glass piece is infused with Kryogel, an all natural freezable gel that cools down smoke to provide the smoothest experience possible while staying cold for longer. The KRYO Upright Bubbler provides all of the ice cool advantages of our freezable KRYOGEL infused glassware in a smaller package. Even though it is smaller, each hit from the KRYO Upright Bubbler is still cooled 3