Physician developed. Relieves allergies & sinus symptoms. Soothing, no burning or stinging large volume & low pressure system for therapeutic & preventative saline nasal irrigation, moisturization & daily nasal hygiene. Contains: 1 custom designed cap, 1 rinse bottle 240 mL (8 oz.), 1 tube, 50 packets of USP Grade (99.9% pure) Sodium Chloride & Sodium Bicarbonate mixture, educational brochure.