Natural support for clear breathing and sinus health Provides soothing relief for nasal dryness Gently removes excess mucous Rinses away dust, pollen and other irritants If you are one of the many people who find that your nasal passages are blocked as a result of the effects of pollution, dust, pollen and other irritants, you may find this simple cleansing technique of invaluable benefit to you. Our Nasal Rinse Cup is designed for ease of use and has a heavy-duty construction that is dishwasher safe. Crafted from sturdy, lead-free ceramic and coated with food-grade sealant glaze. Instructions for use included. Sometimes called a neti pot