Essential Oil Diffuser Necklace - Star Flower Stainless Steel Aromatherapy Pendant This essential oil diffuser necklace allows you to enjoy aromatherapy everywhere! Stainless steel pendant and included free 20" necklace chain are hypoallergenic Locket features magnetic closure for extra security of your essential oil diffuser pad. Perfect gift for any aromatherapist, packaged in black velvet gift pouch. Includes washable essential oil diffuser pad for your favorite oils: Young Living, doTerra, Aura Cacia, etc