What it is: A set that includes the Stone Diffuser plus the Vitruvi Sleep Essential Oil Blend.What it does: The Stone Diffuser Device helps fill your space with the scent of essential oil blend of your choosing. With a matte ceramic cover and sculptural silhouette, the diffuser doubles as a piece of decor. Bundled with the Vitruvi Sleep Blend, it makes the perfect gift.Set includes:- Stone Diffuser Device- Sleep Essential Oil Blend (0.17 oz.)Features and benefits:- 4-hour and 8-hour settings- 500 sq. ft. diffusing capacity- Automatic turn off when time is up or when water runs out- BPA-free plastic reservoir Natural Beauty & Wellness products are free of sulfates, phthalates, parabens, petrochemicals, mineral oil, silicone and talc Cruelty-free Imported