The Vintage Rubbermaid Drop in Refreeze Beverage Bottle 8483 Cooler Ice Pack is a new, blue-colored ice pack specifically designed for use in Rubbermaid coolers. With a convenient drop-in design, this ice pack is easy to add to your cooler to help keep drinks cool for longer. The model number 8483 indicates its vintage status, but its practical functionality makes it a valuable addition to any outdoor or picnicking setup.