HooAMI Essential Oil Diffuser Necklace Aromatherapy Jewelry - Hypoallergenic 316L Surgical Grade Stainless Steel Locket Pendant Outside diameter:30mm(1 1/8");Thickness:6.5mm;Chain Length:56cm(22"). Quality material: Locket and 24" Chain are made of hypoallergenic 316L surgical grade stainless steel. You can be sure that this is an aromatherapy jewelry that will last for many years, providing perfect aromatherapy every single day! Replacement pads:You will be equipped with 12 colorful aromatherapy diffuser refill pads.This way your necklace carries your scent all day long and everyday can use different color. Unique design: A unique aromatherapy necklace so you can now wear your delicious essential oils anywhere.Magnetic closures and solid back to avoid your favorite essential oil touching your skin and cloth. Perfect Gifts:The aromatherapy jewelry can be used for essential oil,perfume.The perfect gift for Family, Friends, Someone Special Or as a treat for Yourself! You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!