Bausch + Lomb Biotrue Multifunction Solution 3 x 300 ml pack moisturizes, cleans, removes proteins, decontaminates, rinses and preserves contact lenses. If you wear contact lenses, lack sleep or work for long periods on a computer, your eyes can become irritated and dehydrated. This pH-balanced, tear-like solution improves lens comfort. It provides prolonged hydration for up to 20 hours. For soft contact lenses, including silicone hydrogel lenses. Contains 3 x 300 ml bottles and 3 lens cases.