• Gently removes dirt, dust, and other contaminants from the nasal passage. • Ideal for daily nasal care, designed according to the human nasal physiological structure. • Includes a 300 ml BPA-free bottle and 40 packets of nasal wash salt. • Helps relieve symptoms of common nasal irritations such as hay fever, smog, rhinitis, and pollution. • Easy to use: simply mix one packet of salt with water at 37 ℃, shake, and perform the nasal wash. • Warnings: Do not use tap water or common salt, and do not share the product. Supervised use for children under 12 years old.