Add essential oil directly felt pad located in back of clip. Clip on to car vent clip and breathe in that calming scent and feel cute as heck. Reapply oil to bead when scent fades over time. Comes with extra long string to hang at preferred height in car. ⟡ Essential oils NOT included. Each clip comes unscented. Packaged in poly packaging for easy gifting and with care instructions on the back. **Each vent clip includes an empty 1ml glass dropper to add your preferred fragrance or essential oil.** ⟡ Size: 1.75" Round ⟡ All macrame patterns and designs are copyrighted by law and under complete ownership of Ruth Artistry & Decor LLC. Patterns are not to be copied or even altered for resale without written permission of Ruth Artistry & Decor LLC.