Openwork Diffuser Pendant with Necklace

New never been worn Necklace length: 18 inch (45cm) Lava bead size: 14mm Metal: cooper locket and necklaces with rhodium planting. This is nickel and lead free jewelry How to use: rub a drop of essential oil on the lava stone ,enjoy the aroma for a few hours or up to a few days, depending on the oil you use. Once the aroma fades away, re-apply oil or oils on to the lava bead. Let me know what color lava stone you want after you pay: White black,blue,green,yellow orange or rose.