Isfahani Premium Tombac is an unwashed natural tobacco leaf for your hookah that is smoked without using any glycerin or natural flavors. It is a traditional Tombac that comes packaged as a compressed brick of large tobacco leaves and requires some preparation before it is ready to smoke since you need to soak it in water until the leaves have softened. Afterwards, very carefully ring out the excess water and remove any residual stems that prevent it from burning evenly or can make it become harsh.