Sinus Rinse Hypertonic Kit With 30 Premixed Packets. Recommended for nasal allergies, dryness, hay fever, sinus pressure, nasal stuffiness, nasal symptoms from flu or cold, nasal irritation from occupational and house dust, fumes, animal dander, grass, pollen, smoke, etc., and post-nasal drip and nasal congestion. Kit Contains: – Educational brochure with directions for use. – 1 Rinse bottle 240 mL (8 fl. oz.). – 1 Custom designed black cap. – 1 Tube. – 30 Premixed packets of USP grade (purity level 99% or higher) sodium chloride and sodium bicarbonate mixture (pH balanced, natural ingredients, isotonic, preservative and iodine free).