Features: Relieves nasal dryness, sinus pressure & nasal congestion, nasal symptoms from flu & cold, post nasal drip, nasal irritation from occupational and house dust, fumes, animal dander, grass, pollen, smoke, environmental pollutants. Contents: One rinse bottle 240 ml (8 fl oz); 1 custom-designed black cap and tube; 50 packets of USP grade (purity level 99% or higher) sodium chloride & sodium bicarbonate mixture (pH balanced, nutritional ingredients, isotonic, preservative & iodine free); educational brochure with directions for use