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. Features 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. Stylish design suitable for men, women, and children. 2. Superior Temperature Insulation: Vacuum insulation technology keeps food warm for up to 3-4 hoursnearly twice as long as standard containers. Enjoy warm meals without needing a microwave. Maintains optimal food temperature for health and taste. 3. Leak-proof & Convenient Design: Double silicone sealing ring prevents leaks and locks in freshness. Clamshell-style exhaust valve allows steam to escape 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 carrying soups, rice, pasta, salads, fruits, and other hot or cold foods. Perfect for school, work, or outdoor use. Includes an insulated lunch bag for enhanced thermal performance and portability. 5. Ideal for Portion Control: Helps manage meal portions for a healthier diet. Makes a thoughtful gift for loved ones who enjoy homemade meals on the go. Specification 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