Physician developed. Uses: For ages 4 & up. Let your child breathe easier night & day and get immediate relief with a non-sedating, non-stinging, gentle & easy rinse of congested nasal passages. Relieves allergies & sinus symptoms. Soothing, no burning or stinging large volume & low pressure system for therapeutic & preventative saline nasal irrigation, moisturization & daily nasal hygiene. Single piece custom designed cap fits any nasal opening. No push and pull components make for easy cleaning. Preservative, iodine and latex free. Safe during pregnancy. Contains: 1 custom designed cap, 1 rinse bottle 120 mL (4 oz.), 1 tube, 25 packets of USP Grade Sodium Chloride & Sodium Bicarbonate mixture, educational brochure, directions for use.