To make the bead expire fragrance, you need to spray them with perfume or essential oil manually.
Unwaxed Natural Lava Rock Beads, for Perfume Essential Oil Beads, Aromatherapy Beads, Dyed, Round, No Hole, WhiteSize: about 12mm in diameter.Perfume Lava Rock Beads, for Perfume Essential Oil Beads, Aromatherapy Beads, not perfumed itself.