NovScent Aromatherapy Jewelry Necklace 316L Steel Material Locket Style Pendant Essential Oil Difusser 10 Colorful Cashmere Sustained Release Ball (Garden) 2015 October Latest Design Necklace with Aromatherapy function ( Essential Oil not included ) Made of Friendly Material: necklace chain Made by 316L steel , Zero allegry . Pendant Made of Copper coated with 925 Silver .Sustained Ball Made of wool . Size & Weight : Chain --18inch with extra 1.5 inch extend chain . pendant diameter : 0.5--0.6inch weight (set): 19gram 10 colorful difussing Ball included satisfied garanteed