展开Vacuum seal technology with maximum temperature retention, foods stay hot for up to 9 hours and cold for up to 18 hours. Exterior stays cool to the touch with hot contents, and sweat-proof with cold. Travel easy keep hot food hot and cold food cold, no microwave or fridge necessary, so take it to go. For work, school, hiking, or a beach day, we've got you covered. Durable materials the stainless steel jar combined with the airtight, leak-proof lid makes this the ideal container to throw into a bag or backpack without having to worry about spills or messes. Designed for practicality the extra-wide mouth opening, twist-off lid, and anti-scratch stainless steel make this container easy to fill, pour, and clean.