Item Type: Stainless Steel Lunch Box Material: 316 Stainless Steel, Plastic and Silicone Effective Heat Preservation: About 1-2 hours Size: Approx. 25.5x18.5x6.5cm / 10.0x7.3x2.6in Gross Weight: Approx. 770g / 27.16oz 1、CLOSET VENT: Closet vents release internal pressure and make it easier to open the lid. 316 stainless steel liner and plastic material, corrosion resistant, easy to clean, healthy and ecological. 2、MULTIFUNCTIONAL MEAL COVER: Multifunctional meal cover, can be used as a mobile phone holder, while chasing soap operas, while enjoying homemade food, enjoy a comfortable life. 3、JAPANESE LUNCH BOX: Lunch boxes for office workers and students in canteens, Japanese style lunch boxes with cutlery compartments, for children's schools. 4、THERMAL LUNCH BOX: The stainless steel heat preservation lunch box can add hot water between the stainless steel and the plastic layer to maintain the temperature. 5、HUMANIZED DESIGN: The user friendly design is divided into one body, and the delicious ingredients are all put into the box to retain the original flavor, and at the same time.