Features: Safe, non-toxic, reusable, leak proof, durable Tested to store breastmilk up to 14 hours when used with Autumnz Cooler Bag Generously sized at 310g per piece (i.e. much bigger than most standard ice pack in the market and compactly packed with generous amount of gel content) to enable longer preservation of cool temperature to keep breastmilk fresh Great to be used with cooler bags, cooler box. Directions: Place ice pack flat in freezer for 8 hours prior to each use When used in a cooler bag or cooler box, place the ice pack on top or side of items to be cooled For optimum results, place 2 to 3 pcs of ice pack to keep breastmilk chilled at ideal temperature for a longer period. Recommended Use: To chill breastmilk To chill food and drink (e.g. picnics at the park; long road trips) To reduce injury swelling Temporary relief of headache or fever Warnings: This item is for cool use only. Do not place in microwave oven or other heating elements When used on children, adult supervision is required at all times Keep away from children when not in use Discontinue use and discard pack when punctured For external use only. Not to be consumed