Systane Contacts Lubricant Eye Drops moisturizes & soothes dry eyes caused by wearing soft & RGP lenses. Systane Contacts Lubricant Eye Drops are for use while wearing daily & extended wear soft (hydrophilic), RGP (silicone acrylate & flourosilicone acrylate) & hard contact lenses. Systane Contact Lubricant Eye Drops is a sterile, isotonic, aqueous solution. * Moisturize & Soothe Dry Eyes * For Soft & RGP Lenses. * Use regularly for lasting comfort. * One. 4 fl. oz. (12 ml.) bottle