If you want the absolute best in portable dry herb vaping, the Yocan Evolve-D Kit is the device for you. With their all new, unique coil technology called the Dual Pancake Coil, this device will evenly and efficiently distribute heat throughout your herb without burning it. This will achieve the best flavor possible. Along with this and its stealthy design, this device also comes with a surprisingly large loading chamber, eliminating the need for frequent reloading. Another key feature of the Evolve D is the dual-purpose cap. You can press this cap to either remove the dry herb ashes or push the product down for even heat distribution.