The Evolve-D Dry Herb Pen from Yocan is a leap in vaping technology. Featuring dual pancake coils for maximum vaping the Evolve-D is a very portable dry herb pen. Simply push the mouthpiece down to press your material against the coil, or clean ash from the unit. Available in Classic black and stainless as well as vivid blue, orange and red colors the Evolve-D is one of the most popular new dry herb pens available. Priced to fit your wallet and sized to fit your pocket, you will love the Yocan Evolve-D Dry Herb Pen.