A sterile, isotonic solution that contains hyaluronan, sulfobetaine, poloxamine, boric acid, sodium borate, edetate disodium and sodium chloride and preserved with a dual disinfection system (polyaminopropyl biguanide) 0.00013% and polyquaternium 0.0001%. Works Like Your Eyes In box : 300ml + 1 Sterile Filtered Lens Case 1. Makes wearing lenses easier on your eyes. 2. pH Balanced to match healthy tears. 3. Kills 99.9% of germs.