The Crystal Skull is Bubbler Glass's introductory design that has totally reinvented the way people think about enjoying cannabis. Feed your third eye with a glass Skull by Bubbler Glass. Features: Makes flower taste better Cools the smoke temperature Captures combustion impurities like tar Holds your joints so you don’t have to Brings every joint to the next level High-end and handmade About 2.5" high High-end, handmade and locally designed, Bubbler Glass elevates every experience.