The Mathematix Glass Double Bowl Skull Steamroller glass hand pipe is a skull-shaped steamroller that fits two bowls for double the action. It offers a front carb direct injection performance. The skull's eyes are the two bowls, an impressive and unique hand pipe design by Mathematix. The handheld steamroller stretches 10 inches and works great for travel. A colored dot of glass that matches the skull in placed on the tip of the pipe and the Mathematix logo is printed on the body. Made of two-tone cane glass, the pipe is both durable and heat resistant.