Ooze Glyco Bong Glycerin Chilled Glass Water PipeHave you ever added ice to your bong to make the smoke you inhale cooler and a lot less harsh on your throat? The Ooze Glyco is filled with liquid glycerin, that when frozen, is like smoking out of an entire bong made of ice! Made from strong borosilicate glass, the colorful glycerin fills both the base and the bowl in a color that matches your style. Stick in the freezer about an hour before you plan to light up, and you'll be enjoying the chillest