Refreezable & reusable ice pack that provides a long-lasting, mess-free ice substitute Dynamic, non-toxic gel delivers extended cooling performance Compact 2.25-pound size easily fits in virtually any softside cooler bag or small–medium hardside cooler Modular design for a customizable chill To have an ICE day, we recommend you pack: A cooler bag or small lunch-sized hardside cooler with 1 Performance Ice Mini Brick & a medium (16–30 quart) hardside cooler with 3