Stainless Steel Lunch Box For Hot Food Wide Mouth Lunch Box, 2800ml 4-Layer Stackable Insulated Portable Food Container Reusable Leak Proof Soup Food Jar For Warm/Cool Food Daily Office Travel Picnic Outdoor Meals(Four Layers 2800ml)

[Excellent Heat Preservation Performance]: Our vacuum heat preservation technology, double insulation design, and food tank heat preservation ensure that your food stays delicious for longer periods of time. [Double Vacuum Interior Design]: The high-quality stainless steel interior and exterior of our containers provide superior temperature control and durability. [High Density Insulation]: Our containers offer superior heat preservation, separation, and freshness retention, ensuring optimal insulation and long-term storage capabilities. [Thermal Insulation Improvement]: Our leakproof design, reinforced stainless steel tank, and slow heat release technology improve thermal insulation and keep your food tasting its best. [Thickened Design]: With a rust-resistant, high temperature resistant, and construction, our containers are ideal for work, travel, picnics, and outdoor activities. Their easy-carry design and fine workmanship make them a versatile choice for on-the-go lifestyles. [QA]Q: How long can it keep warm?--A: It can be kept warm for approximately 6‑8 hours.