The Rambler® 8 oz Food Jar was designed to help you stay fuelled wherever your adventure takes you. Whether it's your morning oats or midday salsa snack, the double-wall vacuum insulation holds hot or cold temps until you're ready to eat, while the 100% leakproof MagVent lid allows you to throw it in your bag without a worry. Features Double-wall vacuum insulated. 100% leakproof. Dishwasher safe. MagVent lid vents as it opens. Two-piece lid comes apart for easy cleaning.