Food-grade PP plastic and durable 304 stainless steel lunch container set. Superior temperature insulation keeps food warm for up to 3-4 hours. Leak-proof design with double silicone seal and clamshell exhaust valve. Portable and ideal for portion control. Available in white, blue, and brown. Includes an insulated lunch bag. 1. Food Grade Material: Stackable lunch boxes made of high-quality food-grade safe PP plastic and durable 304 stainless steel. No odor retention. Safe and reliable for daily use. Fresh and elegant design suitable for men, women, and children. 2. Superior Temperature Insulation: Vacuum insulation technology helps maintain warmth for up to 3-4 hours, keeping food at the ideal temperature. Enjoy hot meals without needing a microwave. 3. Leak-proof & Convenient Design: Features a double silicone sealing ring to prevent leaks and lock in freshness. Clamshell-style lid with an exhaust valve allows steam to release safely, making it easier to open. Integrated handle for easy carrying. 4. Lunch Container Set: Includes two large containers (620ml) and two small containers (420ml) to meet various meal needs. Ideal for storing soups, rice, pasta, salads, fruits, and other hot or cold foods. Perfect for school, work, or outdoor activities. Comes with an insulated lunch bag for enhanced thermal performance and portability. 5. Ideal for Portion Control: Great for preparing balanced meals. Makes a thoughtful gift for loved ones who value healthy eating. Specifications: Material: Stainless steel, PP Color: White, Blue, Brown Size: Large: 12 x 9 cm; Small: 12 x 7 cm Weight: 565 g Capacity: 420 ml, 620 ml Package Includes: 2 × Lunch Containers (with Knife and Fork) 1 × Lunch Bag