Chenier Aromatherapy Evoke Necklace, Essential Oil Diffuser Stainless Steel Silver Pendant, Perfume Locket, Gift Jewelry Hypo-allergenic surgical grade 316L stainless steel. Top quality and durable. Chain measures is 23 inches long, spring ring clasp. Pendant measures 1.25 inches in diameter. 6 free wool pads included (scented oil not included) with the necklace for your convenience. Only takes some drops of essential oil or perfume fragrance to last all day. To reuse, apply small amount of soap and rinse with water. Chenier Aromatherapy diffuser Evoke necklace offers you an elegant way to put your favorite essential oil or perfume into the air without direct contact on your skin. Sturdy magnetic clasp providing easy opening and closing of pendant.