HooAMI Tree of Life Stainless Steel Aromatherapy Essential Oil Diffuser Necklace Locket Pendant Material: stainless steel locket & stainless steel chains & cotton pads High:43mm(1 6/8");Width:28mm(1 1/8");Thickness:6.5mm;Chain Length:60cm(23 5/8"); Each Aromatherapy Necklace includes 12 multicolored reusable, washable and highly absorbent synthetic felt refill pads. A piece of jewelry made to last a lifetime,and it makes a great unique gift for all essential oil enthusiasts. The aromatherapy pendant can be used for essential oil, perfume, even mosquito repellent liquid! Keep you elegant, keep you with fragrance, and keep you away from mosquitoes! Strong magnetic closures and solid back insure you never have to worry about getting oil on your clothes.