The Evolv Plus XL from Yocan makes for the perfect on-the-go heavy-hitting vape pen. Simply put your material on the square in the center of the XL's FOUR coil atomizer, snap the magnetic cap on and you're ready to go! The Evolv Plus XL features adjustable airflow, an internal 1400mAh battery for days of vaping, and a detachable silicone storage container on the bottom!