An innovative (and incredibly potent) liquidless diffuser. The Scent Scene™ Duo includes two individually packaged Scent Stems™ fragrances: Kyoto in Bloom Camellia ( 5 stems) & Lotus and Lost in Amalfi (5 stems). To use place your Scent Stems™ of choice into the metal vessel, ensuring it's placed on a flat surface away from open windows or vents. After 30 days, or a time of your choosing, swap out the Scent Stems™ for the other supplied fragrance. Brand new Never opened