Please note: Due to product improvements, the image shown may temporarily appear different from the product received. Smaller Bottle, SAME OUNCES! For rinsing after cleaning and for heat disinfection of soft (hydrophilic) contact lenses. Discard bottle and contents 30 days after opening. UNISOL® 4 is a STERILE PRESERVATIVE FREE saline solution balanced to the same pH as your eye"s natural tears for superior comfort. UNISOL® 4 is an aqueous solution containing sodium chloride, boric acid, and sodium borate. Questions? 1-800-757-9195 8am-11pm Monday-Friday CST, 9am-11pm Saturday & Sunday CST