Gravity bong bowl is a small cap that can turn an ordinary plastic bottle into a portable smoking device. Such bucket bong bowls help to save time and nerves, because you no longer need to mess with foil. Moreover, it is a great option to take with you on a trip - the caps have minimal size and weight. As for materials, here you can find many options made of wood, including cork, stone, plastic, silicone and clay. The inner mesh is usually made of metal. In Headshop.ge we have selected several high-quality gravity bong bowl models that will please with their functionality!