These aromatherapy diffuser necklaces are made with one 10mm round lava rock bead encased in a silver plated twister cage accompanied by a matching suede tassel with a 24” silver plated chain. Simply add a couple drops of your choice of essential oil(s) to the Lava Rock every couple of days and take your aromatherapy with you! Our color combinations are sure to suit anyone’s taste and every outfit!