HooAMI Aromatherapy Essential Oil Diffuser Necklace - Personalized Family Birthstone Heart Necklaces Custom Made with Any Names Material:Stainless Steel & Cubic Zirconia; Main Color:Dull Silver Tone; Outside diameter:25mm(1");Thickness:6.5mm;Chain Length:60cm(23 5/8"); Every essential oil necklace includes 11 high quality round cotton refill Pads. This way your necklace carries your scent all day long and everyday can use different color; A unique, locket style aromatherapy necklace so you can now wear your delicious essential oils anywhere.Strong magnetic closures and solid back insure you never have to worry about getting oil on your clothes.Perfect as a gift for you family and friend; Personalize your necklace with up to 3 Names and 3 Birthstones. Type any name and birthstone, names are engraved on the BACK side of the locket.