Clears the nasal passages, removes excess mucus, reduces dust and pollen by cleansing nasal passages, and relieves nasal dryness, heavy-duty construction - dishwasher safe. Available in our Original Ceramic Model or our Plastic Travel Model. Original Ceramic Model crafted from sturdy lead-free ceramic and coated with food-grade sealant glaze. Plastic Travel model crafted from sturdy food - grade HDPE lead-free plastic, advanced design with easy - grip handle, better nozzle seal, balanced for ease of use, concave grip for more assured control, better water chamber for less mess and easier cleaning.