Aromatherapy Essential Oils Diffuser Necklace with Antique Silver Hamsa Symbol, Locket / Pendant with Chain for Personal Health, Stress Reduction, and Well Being - By Kenza Locket Necklace with chain for personal health, stress reduction, serenity, and well being Get a Variety of essential oils to vary the necklace diffusers scent High quality material and very well made. Chain can be adjusted . 12" Chain + Pendant: Total length 13.5" Eco-Friendly (Nickel Free, Lead Free)