For soft and gas permeable contact lenses. 30 day supply. Keeps soft lenses feeling like new longer. Sterile. Works overnight while lenses disinfect. To help fight protein build up during lens wear, try Opti-free Replenish Rewetting Drops. Rewets and refreshes soft contact lenses. Alcon's guarantee: The performance of this product is guaranteed. www.opti-free.com. Printed in USA.