Yogavni Himalayan Crystal Salt Inhaler is made of high quality ceramic and contains food grade Himalayan Pink Salt. When you inhale through the mouthpiece, micron-sized particles of Himalayan Pink Salt enters the Respiratory System including sinuses, nasal cavities, throat and lungs. Like Gargling and rinses inhaling is another way to enjoy the wonders of Himalayan salt in your own home, or on the go. Features: Drug-free and non-invasive. Use several minutes per day. Directions: With the salt inside the inhaler, put the spout into your mouth. Inhale deeply and exhale thru your nose. Make sure u do not have anything covering the bottom as the air comes up thru the salt and into your mouth. Can be used several times a day.