Natural, energy efficient humidifiers that look like works of art. These decorative humidifiers restore moisture to a room in style through the simple process of evaporation - no batteries, wires, or electricity required. Simply fill the bowl with water, and the white spheres absorb the moisture and release it back into the air in the form of evaporation with eco-friendly capillary action. Portable. Set of two. Dolomite: Use in any room. Small, 7 3/4 oz., Large, 13 1/2 oz.