Nasal allergies, dryness & hay fever. Sinus pressure & nasal stuffiness. Nasal symptoms from flu & cold. Nasal irritation from occupational & house dust, fumes, animal dander; grass, pollen, smoke, etc. Post-nasal drip & nasal congestion. Easy flow, no spill, no mess pot design. Each packet makes a soothing, no burning or stinging solution with 240 mL (8 fl oz) of water. The solution is pH balanced and isotonic; or hypertonic (with 2 or more packets). Preservative, drug, iodine, BPA, gluten and latex free. Suitable for use after sinus surgery and during pregnancy. Consult your physician with concerns. Convenient for travel.