Our innovative Grounding Stones combine the power of fidgeting with scent to switch on your body's most effective stress relievers: your senses. Perfectly portable, they are ready to be your well-being companion during life's stressful moments: from an important meeting or the big game to a long flight or a first date. Add the included Essential Oil Blend to inner diffusion rock to heighten your sensory experience. Bottle features our unique Precision Pump to dispense the perfect amount every time with no guesswork and no spills. Crisp Mountain Air Essential Oil. Material(s): Plastic; Color(s): Gray; For Use With: Lifelines Essential Oils; Quantity: 2/Pack.