Description: The natural crystal ore has excellent adsorption ability, which can let the essential oil completely penetrate into the stone and slowly volatilize the fragrance. Aroma crystals stones can be used with essential oil and help it diffusion to enhance intuition, encourage tranquility and stability, relieve stress, make room fragrant. Great for home, office and studio use. It is a perfect gift for home decoration and fragrance. The colors and lines of natural ores are all works of nature; Crystals are not artificially dyed and will not fade after dripping essential oil. The stone will not be damaged. Essential oils is not included. Specification: Material: Crystal, glass, metal Size: approx. Total height: 150mm/5.9inch Cup height: 83mm/3.27inch Antlers width: 82mm/3.23inch Tray: 230x94mm/9.06x3.7inch Instructions: 1. Put the crystal stone into the glass bottle 2. Add 5-10 drops of essential oil to the crystal stone 3. Cover the glass cover to allow the essential oil to penetrate the crystal stone 4. Open the glass cover when you need to diffuse incense Package Includes: 1 Set of Aroma Crystal Stone Diffuser Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. Customer satisfaction is our primary concern. If the product is somehow cracked or broken during shipping, please feel free to contact us. We will try our best to give you a satisfactory solution.