1、Excellent Heat Preservation Performance: Vacuum heat preservation, double heat preservation, food tank heat preservation, so that food can stay delicious for a long time. 2、Double Vacuum Interior Design: Double vacuum interior design, interior and exterior are made of high quality stainless steel for excellent temperature control and long term durability. 3、High Density: Can make the food better heat preservation, separation and retain freshness, produce the best hot insulation effect, and can be long term storage. Insulated stainless steel doesn't filter chemicals out of food the way it does when you heat it. 4、Thermal Insulation Improvement: Keep food taste better, leakproof, reinforce stainless steel tank, slow heat release, improve thermal insulation. 5、Thickened Design: Thickened design, not easy to rust, corrosion resistance, high temperature resistance, and durable. Easy to carry and fine workmanship. Ideal for work, travel, picnic and outdoor use. Item Type: Multi Layer Insulated Lunch BoxWeight: Approx.1373g / 48.4ozMaterial: Stainless SteelCapacity: 2000mlBowl Diameter: Approx. 11.5cm / 4.5inBowl Height: Approx. 5.5cm / 2.2in, Approx.7cm / 2.8inTotal Lunch Box Height: Approx. 22.5cm / 8.9inLunch Box Diameter: Approx.14cm / 5.5in