Dependable temperature control: Vacuum structure technology keeps food hot for up to 12 hours and cold for up to 24 hours, so meals stay at the right temperature throughout the day. Secure Seal Technology: A rotating open‑close lid plus a sealing gasket ring and bump‑resistant design provide a tight fit that prevents leaks and protects contents during transport. Preserve flavors with independent compartments: Built‑in, separate compartments prevent flavor transfer between foods so each item retains its original taste and texture. Durable 304 stainless steel construction: Corrosion resistant, odor , and wear resistant for long‑term daily use. The smooth stainless surfaces are easy to clean and maintain hygiene. Portable and practical: Designed for no‑worry carry during outdoor activities, commutes, or daily meal routines while delivering consistent thermal performance and secure sealing. How this solves common problems Keeps hot foods hot and cold foods cold without reheating or immediate refrigeration. Eliminates spills and messes in bags with a reliable sealing system. Stops mixed flavors when carrying mixed meals, preserving meal quality. Typical use scenarios Office lunch: Pack a hot entree and a cold side without flavor transfer; arrive at work with meals at the intended temperature. Outdoor activities: Bring a warm meal on a day hike or a cold salad on a picnic, relying on vacuum insulation and the secure lid for transport. Meal prep and storage: Portion different dishes into separate compartments for convenient grab‑and‑go meals that stay fresh and clean. Key features at a glance 12 hours heat retention, 24 hours cold preservation Vacuum structure insulation Rotating open‑close lid with sealing gasket ring Bump‑resistant design for secure transport Independent compartments to prevent flavor transfer 304 stainless steel: corrosion resistant, odor , easy to clean