Reliable temperature control: vacuum structure technology provides up to 12 hours of heat retention and up to 24 hours of cold preservation, so hot soups stay warm and chilled meals remain cool during your day. Leakresistant, secure closure: bumpresistant outer design plus a secure sealing gasket ring and rotating openclose lid deliver a tight fit to reduce spills and make transporting meals safer and more confident. Keeps flavors separate: independent compartments prevent crossflavor transfer so each dish keeps its intended taste and texture during storage and transport. Durable, foodsafe construction: made from 304 stainless steel for wear resistance, odor use, corrosion resistance, and simple cleaning for dependable everyday use. Practical and portable: compact, sturdy build and reliable insulation make this jar suitable for commuting, outdoor activities, and daily meal prep. Easy maintenance: smooth stainless steel surfaces and removable gasket allow straightforward cleaning and hygienic reuse. Use scenarios Work lunch: carry a hot stew in one compartment and a fresh salad or fruit in another; heat and flavor stay separate until mealtime. Outdoor day trip: transport warm porridge or chili and a cold drink or dessert while hiking or picnicking, knowing temperatures will be maintained for hours. School or commute: leakresistant design and durable stainless steel construction protect your bag and keep meals intact on the move. Key specifications to note: vacuum insulation for thermal retention, rotating openclose lid with sealing gasket, independent compartments, and 304 stainless steel construction.