Sterile. Carry-on size. Retains moisture for enhanced comfort. For silicone hydrogel and soft contact lenses. No. 1 doctor recommended (survey of 300 Optometrists, Harris Interactive May 2008). Reconditions lenses to retain surface moisture for enhanced comfort. Cleans. Reconditions. Rinses. Disinfects. Stores. Enhanced disinfection formula (Aldox and Polyquad) that is compatible with silicon hydrogel and soft contact lenses. Kills bacteria (germs) that can cause eye infections.