Product Features: PINKAH Stainless Steel Lunch Box with Vacuum Seal and Utensils Three-compartment design with separate sections for balanced meals Premium 304 stainless steel interior with stylish blue exterior Technical Specifications: Material: Food-grade 304 stainless steel (06Cr19Ni10) Capacity: 1000ml total Temperature Resistance: -5°C to 100°C Dimensions: 267mm × 172mm × 75mm Lid: PP (polypropylene) food-grade plastic Gasket: Food-grade silicone rubber Care Instructions: Clean thoroughly before first use Not suitable for microwave, oven, dishwasher, or dryer Avoid corrosive or highly concentrated cleaning agents Do not use metal cleaning tools to prevent scratches Avoid boiling to prevent component deformation Keep away from open flames to prevent deformation When storing, maintain lid seal and store horizontally to prevent leakage