Candlelite company essential elements Vanilla & Sandalwood fragranced paper warmer refills with essential oils. Last up to 2 X longer vs. wax melts. Mess free, clean and natural. Infused with essential oils and other pure fragrance, Essential Elements scent bursts are warmer refills made of natural paper. Harmonizing Nature & Science, our proprietary fragrance delivery system creates fragrance that is pure, long lasting and safe for our families and our planet.