High Quality Stainless Steel Essential Oil Diffuser Necklace Designed by Zia Zensations DETAILS Diffusing Method: (3 discs included) Locket Metal: 316L Surgical Grade Stainless Steel Chain Metal: 316L Surgical Grade Stainless Steel Size: 20mm Dream Catcher Silver (Small) Length: 20" Other Features: Magnetic Clasp, Hypoallergenic, Tarnish Resistant HOW TO USE Open the locket. Add 8-10 drops of Zia Zensations essential oil/aromatherapy to the pad Close the locket with our secure magnetic clasp. The aroma will release from the open faced front of the locket for up to 5 days. You can change out the bamboo pad or add other oils to previous pads. You can lightly hand wash the pads with a mild soap and air dry to reuse.