Insulated Lunch BoxKeeps your cooked meals hot, fresh and ready to eat without additional heating or refrigeration. Well-sealed ring design is perfect for keeping food hot and fresh, heat-resistant and durable for long-term use. Prevent the lid from looseningThere are safety buckles on both sides of the lunch box, which can be fastened easily by pressing. There is no need to worry about the lunch box loosening. With air holePress the air hole can be sealed, to open the front lunch box lid to open the air hole, can be removed to clean without stains. Convenient meets your needsThe liner is made of high quality stainless steel, highly polished and easy to clean. Adopts ergonomic arc handle design, more convenient to carry, when not in use can be received upward. Holding timeWhen placed at room temperature 25, insulation time is about 1.5 hours.