| These little pillows of ice are safe for children s lunch boxes great for picnics and parties and they can even be tossed into drinks. They provide 4-8 hours of cooling time the equivalent of 4 pounds of ice.Filled with laboratory certified water - cleaner and purer than drinking water Last 30-50% longer than ice - melting water insulates the ice and increases cooling time Simply wash with soap and water after use then refreeze |