Crocodile Creek Kids Eco Solar System Insulated Stainless Steel Food Jar, Blue, 11.5 oz Food Jars are 11.5 oz. (350 ml) 5.25"H x 3.5"D Made with food grade stainless steel, BPA free, non-toxic, Kid Safe Double-wall insulated keeps food cold for at least 6 hours, keeps food hot for at least 4 hours Easy to twist on and off for little hands Hand washing recommended, Lifetime manufacturer warranty