Aromatherapy Essential Oil Necklace Diffuser Premium Stainless Steel Jewelry Charm Square Pendant 18 inches Chain (Four Leaf Clover) High quality necklace, both pendant and chain are made of premium, zero allergic 316L stainless steel. This is the jewelry you can wear years without color fade, shape change, and allergic. Nice aromatherapy essential oil diffuser, you can get your essential oil all day, wherever you go. Magnetic pendant, anti-detangle & adjustable chain. Comes with 3pcs oil pads in different colors, you can match any outfits for any occasion. Best gift for family, friends, colleague, comes in gift box.