Feature 1The inner layer using highquality stainless steel material, mirrorpolished and easy to clean. 2The outer layer uses food grade PP material, high temperature resistant, safe and hygienic. 3Concealed doublecurved handle is small and portable, suitable for home, work, travel, and school. 4The airpermeable sealing valve can eliminate air, so that the food in the box is better sealed, and convenient to open the lid. 5Safety lock design, adopts PP plastic, which can be fastened with one click to prevent leakage. 6The builtin sealing rubber ring improves the sealing performance of the lunch box and keeps heat preservation lasting.SpecificationItem Type: Lunch BoxMaterial: 304 Stainless Steel+PPApplication: Students, Workers, Homes, etc.Product Features: 304 stainless steel, hygienic and healthy, non-flavor, thickened material, upgraded buckle.Main function: anti-scalding heat insulation, heat preservation for about 2 hoursHolding Time: The product is an ordinary lunch box, not a vacuum insulated lunch box. The holding time is related to the temperature of the food and the ambient temperature. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Lunch BoxNote1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.