PackIt Freezable Upright Lunch Box, Poppies This lunch box features PackIts groundbreaking cooling technology. Freezable gel is built into the walls of the bag so you never need separate freezable ice packs or gel packs again! To use, freeze overnight (12 hours) and by morning, the walls of the bag will be completely frozen and ready to cool items for hours. The entire lunch box flattens for compact storage in the freezer The unique vertical design of this lunch box keeps drinks upright and prevents spills. A diagonal hinge and top zipper design secure items inside bag and allow easy access on the go. This lunch box is ideal for people with special diets, food sensitivities or allergies The zip closure locks in cool, dry air and the buckle handle conveniently attaches to messenger bags, backpacks and sports bags. An exterior zip pocket stores ID cards or wipes This soft lunchbox is made from nontoxic poly canvas and has a food-safe, water-resistant lining. Like all PackIt products, the Upright Lunch Box is made PVC-, BPA-, phthalate-, formaldehyde- and lead-free materials. Simple care: the interior wipes clean, spot clean exterior Proudly made by PackIt: creator of the ORIGINAL foldable, freezable lunch bag. Designed in California