VACUUM SEAL TECHNOLOGY - With maximum temperature retention, foods stay hot for up to 7 hours and cold for up to 9 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. CARE INSTRUCTIONS - Top rack dishwasher safe, hand wash recommended.