All natural sinus relief. Soothing saline nasal rinse. pH balanced. Rinse prior to corticosteroid nasal spray. The original & patented Kit. Nasal symptoms from flu & cold. Nasal congestion. Nasal allergies. 50 premixed packets. Replace bottle every 3 months. Use warm solution. Squeeze bottle and 50 premixed packets. Contents: one 240 ml (8 oz).