Dull Silver Spiral Helical Hollow Locket Cage Pendant Essential Oil Aromatherapy Diffuser Chain Necklace 1pc locket+1pc necklace+5pcs Pompon Main Material: Copper Size: L*W*Thickness=30*20*20mm = 1.18"x0.79"x0.79" approx; Chain length: 31" approx Charms hollow locket for essential oil diffuser. You can put different ball/bell in the locket to make different look pendant Unisex locket ,scent diffusing chamber allows for all day scent after adding just a few drops of essential oil