Highlights: Material: PolyethyleneColor: BlackKeeps your lunch cool for up to 10 hoursFeatures a patented freezable gel-linerPerfect for school, work, the field or anywhereFolds flat and freezes overnightZip closure locks in cold, dry airBuckle handle clips onto totes and strollersMade from food-safe, nontoxic poly canvas and waterproof EVAPVC, BPA, phthalate- and lead-freeInterior wipes clean; spot clean exterior