The original Packit Freezeable Lunch Box Fold ItThe Freezable Classic Lunch Box collapses down to the thickness of a thin paperback book for compact storage. Freeze ItThe entire lunch box goes in your freezer overnight (12 hours) to activate its built-in freezable gel. By morning, the walls of the lunch box will be completely frozen and ready to chill just like a fridge. Expand, Pack & GoFill your Freezable Classic Lunch Box with food and drinks just before you leave home. Now they’ll stay cool and fresh all day! Gel-lined walls chill a meal and a 12oz (340ml) drink for hours (depending on external temperatures) Collapses flat and freezes overnight Buckle handle conveniently attaches to messenger bags, backpacks and sports bags Zip pocket stores ID cards or wipes Made from nontoxic poly canvas;food-safe lining PVC-, BPA-, phthalate- and lead-free PackIt lunch boxes are easy to clean: interior wipes clean, spot clean exterior Proudly made by PackIt: creator of the ORIGINAL foldable, freezable lunch bag. Designed in California