PackIt - Freezable Zuma BagThe original that started it all. PackIts best selling lunch cooler has helped millions of families take safe, healthy meals everywhere without the need for burdensome ice packs. Gel lined walls chill a meal and a 340ml drink for hours (depending on external temperatures). Folds flat and freezes overnight (12 hours). Buckle handle clips onto totes & strollers. Zip closure locks in cool, dry air Made from Non toxic poly canvas with a food safe