Packit Upright Lunch Box PopeyGel-lined walls chill a meal and a 12oz (340ml) drink for up to 10 hours(depending on external temperatures); built-in cooling system means you'll never waste money on gel packs again; no extra parts to lose or forget in the freezerEntire lunch box collapses flat for compact storage in the freezer; freeze overnight (12 hours); by morning, the walls of the bag will be completely frozen by morning and ready to cool items for hoursVertical design keeps drinks upright and prevents spills; diagonal hinge and top zipper design secure items inside bag and allow easy access on the goZip closure locks in cold, dry air; buckle handle conveniently attaches to messenger bags, backpacks and sports bags; zip pocket stores ID cards or wipesMade from nontoxic poly canvas; food-safe waterproof lining; PVC-, BPA-, phthalate- and lead-free; easy to clean: interior wipes clean, spot clean exterior to view our entire selection of PackIt products