Non-toxic reusable ice pack specially designed for breastmilk storage and can chill breastmilk for longer period of time. Made from the highest grade non-toxic ice gel to ensure uniform and consistent chilling of the breastmilk. Extra durable and leak proof compared to most of the other ice packs in the market as it uses thicker layer of packaging. The gel-filled ice packs do not melt or liquefy thus it will never mix in with your breastmilk for mother’s peace of mind. Tested to store breastmilk up to 14 hours with Bubbles cooler bag. For optimum results, place 2 to 3pcs BBICE into the cooler bag depending on the cooler bag size.