Convenient liquid for cleaning and storing soft contact lenses without touching them. - Product Name: Concept F - Type: Soft contact lens cleaning and storage solution - Features: No-touch care, method of use without touching the lenses - How to use: STEP 1: Pour in the cleaning solution, STEP 2: Soak the lenses - Packaging: Packaged Concept case is also unused. Thank you for viewing. Although it is unused, it has been opened to check the contents. Also, the purchase date is unknown. The outer package and box have some yellowing.