3-Pack Brown 304 Stainless Steel Microwave-Safe Lunch Box Set - Stackable Insulated Bento Containers for Office & School

Featuring a high-quality 304 stainless steel interior, our containers are uniquely engineered to be microwave-safe when used with their heat-resistant PP shells. The multi-container stacking system allows you to separate your mains, sides, and soups to prevent flavor mixing (no cross-contamination), while the built-in foaming insulation layer and aluminum foil thermal bag work together to keep your food warm for hours. With a 100% leak-proof silicone seal and hidden ergonomic handles, it’s the most reliable partner for a healthy, home-cooked meal on the go. Core Product Highlights Microwave-Safe Innovation: The specialized 304 stainless steel and PP combination allows for safe heating in the microwave, so you can enjoy steaming hot meals in minutes. Superior Thermal Performance: Utilizing integrated foaming insulation and an upgraded aluminum foil bag to extend heat retention significantly longer than standard containers. Independent Modular Storage: Separate containers for each dish ensure that your salad stays crisp and your curry stays flavorful without mixing aromas. Leak-Proof & Airtight Seal: Every lid is equipped with a high-performance silicone sealing ring and a hidden handle, making it completely spill-proof for commutes. Detachable for Easy Cleaning: The stainless steel inner tank can be completely removed from the outer shell, making it effortless to clean and dishwasher safe. Food-Grade Safety: Built with premium 304 Stainless Steel and BPA-free PP materials, ensuring no harmful chemicals leach into your food even at high temperatures. Size & Configuration Guide 3-Piece Set (1.48L): 440ml + 440ml + 600ml: Set + Thermal Bag Dimensions & Weight 600ml Capacity: 11.5 × 11.5 × 8.5 CM | Weight: 188g 440ml Capacity: 11.5 × 11.5 × 6.5 CM | Weight: 153g