Penn State Yeti 16oz Food JarThe Rambler 16oz food jar was designed to help you stay fueled wherever your adventure takes you. Whether it's pasta salad or rice and beans, the double wall vacuum insulation holds hot or cold temps until your ready to eat, while the 100% leakproof MagVent lid allows you to throw it in your bag without a worry. Features MagVent two piece lid to vent hot air as the jar opens. Made with 18 8 kitchen grade stainless steel. Double wall vacuum insulation.