Hydro Flask 8oz Wide Mouth Insulated Food Jar - The perfect food jar is easy to describe. First, it has to be easy to open and convenient to eat from. Second, it needs to keep ice cream cold and soup hot. And last, it needs to travel without fear of leaks or breaking. That’s the jar Hydro Flask made so you can take your favorite meal anywhere. Their 12, 20 and 28 ounce Insulated Food Jars keep food at the perfect temperature, no matter where your travels take you.