JOVIVI 30 Pack Aromatherapy Diffuser Locket Necklace Refill Pads - 6 Assorted Colors 30 Pack (6 colors in 5pc)of high quality replacement pads for your aromatherapy diffuser locket or necklace. If you purchase this pads with any locket Pendant necklace or bracelet, you can email us for free shipping. We will combine your order together. 0.86" (22mm) diameter and 0.12"(3mm) in thickness- Fits many different brands and styles of diffuser necklace. Use in any scent chamber with 1.18" or greater diameter to gradually diffuse your essential oils. REUSABLE! Each pad can be re-used multiple (5+) times. Simply replace pad when it loses absorbency or when you wish to change scents!