Ofthe Clear Dew SL 120mL x 12 boxes Orthokeratology Cleaning and Storage Solution New, unopened items. Expiration date for all 12 boxes is March 2028 or later. Ships within 24 hours. Contains enzyme cleaning/preservation solution and neutralizing tablets. Povidone-iodine cleaning/preservation solution that is gentle on the eyes. Clean with the dedicated povidone-iodine solution included with the protein-degrading enzyme agent.