The AromaPen¬Æ diffuser offers the most convenient way for you to enjoy essential oils when you're on the go. Simply unscrew the cap and add drops of your favorite oil to the absorbent rod inside. The pen also comes with 6 more refill rods. This makes a great gift for your downline, friends, neighbors or family. Do you travel a lot? This is the perfect traveling companion. Enjoy the aromatherapy from your favorite Young Living essential oils on the move with this aroma pen.