The Glass Hookah Bowl is a the newest bowl on the market with a vortex style design. It is easy to clean, made from tempered glass, heats up quickly and retains the heat, and holds 20-30 grams of shisha. Due to the glass design there is no residual flavor left over after cleaning so you can enjoy new flavors each time. The Glass Bowl comes with a Glass Screen so no need for foil. Just put the charcoals directly onto the screen. This bowl works with most hookah models and even on most glass on glass hookahs.