Relaxing while writing! Our Essential Oil Diffuser Pens provide a blend of your favorite natural scents in a unique giftable pen! Apply oils to the lava bead and lock in the stylish cage to enjoy for any mood! · Refillable with standard D1 refill · Material: Metal/Card Stock/Lava Bead/Essential Oil · Size: 2.375" W x 7.5" L · Care Instructions: Damp Wipe Only