Product Features: PINKAH Stainless Steel Lunch Box with Vacuum Seal Dual compartment design - perfect for separating different foods Compact size ideal for daily lunch, school, office, and travel Vacuum pressure seal technology prevents spills and leaks Technical Specifications: Model Number: PJ-4906 Material: Food-grade 304 stainless steel (06Cr19Ni10) Capacity: 650ml total Temperature Resistance: -5°C to 100°C Dimensions: 207mm × 131mm × 69mm Lid: PP (polypropylene) food-grade plastic Gasket: Food-grade silicone rubber Care Instructions: Not suitable for microwave, oven, dishwasher, or dryer Use mild cleaning agents, avoid strong detergents or abrasive cleaners Do not use metal utensils to prevent scratches on interior surface Do not boil to avoid component deformation Keep away from open flames to prevent deformation Avoid prolonged exposure to direct sunlight to prevent damage When storing, keep lid tightly sealed and in horizontal position to prevent leakage