The rubber bowl heats up twice as fast as other bowls, Save a lot of charcoal and Shisha! rubber hookah bowl has been designed to keep the shisha juices from spilling out to keep the tobacco moist. It also won't absorb any odors!Funnel Shape for Extended Shisha Lifespan. High quality food grade rubber material. 3.4" tall with a diameter of 3" hookah bowl phunnel type can be used effortlessly with regular foil and hold up to 30g of Shisha