Suitable Size: our black and white diffuser measures 3.54 x 3.54 x 1.50 inches/9 x 9 x3.8 cm, making it ideal to carry with you; The portable size allows you to enjoy the fragrance anywhere. no matter where you are, you can boost your spirits with natural scents Quality Materials: this non electric aroma diffuser is made of environmentally friendly materials, which is absorbent and does not require additional water. just drop essential oils directly on the and enjoy the charm it adds to your room, car or bedroom. decorate your space while delighting your senses Mountain shaped Diffuser: there are two mountain shaped passive stone diffusers in our product, one is black and the other is white. when you first receive the product, you can soak the diffuser stone in water for 10 seconds. take it out and let it dry, then you can diffuse the fragrance, the effect be better. Evocative Gift: our scent essential oil diffuser set is a gift for her, or wedding gifts for any occasion. give the gift of an and transform their living environment into an aesthetic space. but please note that the product does not contain essential oils Non-electric Diffuser: our wooden aromatherapy diffuser is non-electric. simply drop 5-6 drops of your favorite essential oils directly onto the stone diffuser anywhere, and it absorb the essential oils and diffuse the scent into the room