These make your home or office smell truly wonderful. Amyris Bergamot is a cheerful blend of essential oils that will diffuse an uplifting blend of aromatherapy into your space. To control the amount of aroma, simply flip the natural bamboo reeds. A simple yet elegant recycled glass bottle filled with natural stones, pure essential oils and packaged with several reeds for diffusing the scent. 100% alcohol free and glycol free, no synthetic oils, only pure plant oils. Flip reeds for a burst of fresh scent. Large (3 oz) diffusers last approximately 6 to 8 months.