Unwaxed Natural Lava Rock Beads, for Perfume Essential Oil Beads, Aromatherapy Beads, Dyed, Heart, No Hole/Undrilled, Mixed ColorSize: about 22mm wide, 24~25mm long, 10.5mm thick.Perfume Lava Rock Beads, for Perfume Essential Oil Beads, Aromatherapy Beads, not perfumed itself. To make the bead expire fragrance, you need to spray them with perfume or essential oil manually.