Ready to use. Reusable bottle with NeilMed Refill Packets. Contents: One squeeze bottle (8 oz) with premixed saline solution & 2 premixed packets. Use For: Nasal allergies & dryness. Sinus pressure & nasal stuffiness. Nasal symptoms from flu & cold. Nasal irritation from occupational and house dust, fumes, animal dander, grass, pollen and smoke. Post nasal drip & nasal congestion. System Includes: 1 SinuFlo ReadyRinse Bottle (8 oz) with premixed saline solution, 1 Sinus Rinse Nasal Irrigation Black Cap and Tube, 2 Sinus Rinse refill packets. Advantages: Reusable squeeze bottle, using NeilMed Sinus Rinse premixed refill packets. Soothing, no burning or stinging. Single piece custom-designed cap fits any nasal opening. No push and pull cap components for easy cleaning. Iodine and latex free. Excellent cleansing prior to spraying nasal corticosteroids. Smooth flow with easy-squeeze bottle. Empties nearly 95% in upright position. Portable for travel. Money back guarantee (if returned within 90 days from date of purchase). Mold. Pollen. Pet dander. virus. Dust mite. Dust. Natural sinus relief. Now a soothing nasal rinse solution is as easy as 1, 2, 3! CE listed. No CFCs.