Features: Made of high quality stainless steel material, heat-resistant, broken-resistant, corrosion resistant, and durable in use. The portable handle is foldable, easy and convenient store and carry. The vent hole can let the food in box to be better sealed. The safety buckle makes the box lid and box body be buckled tightly, safe to carry. There are 4 kinds of capacity to choose from (700ml, 1400ml, 2100ml, 2800ml). Free assembly and disassembly. You can change the size and capacity according to your needs. Specification: Material: Stainless Steel Color: As the picture shown Capacity: 700ml/1400ml/2100ml/2800ml (optional) Size: 1 layer: Approx. 9.5*16.5 cm / 3.7*6.5 inch 2 layers: Approx. 14.5*16.5 cm / 5.7*6.5 inch Weight: Approx. 336-763g / 11.9-26.9 oz Warm Tips: 1.This lunch box is a hollow structure, not a vacuum insulation. The insulation aging is generally about 2-3 hours. The specific aging depends on the temperature of the food held and the temperature difference of the local climate! 2.Only the top grid can be used to hold soup Note: Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package list: 1 * Thermal Lunch Box Features ✅Free assembly and disassembly:: Stackable insulated lunch box there are 4 capacities to choose from (700 ml, 1400 ml, 2100 ml, 2800 ml). You can change the size and capacity according to your needs. The lunch boxes are stacked as 4-layer or 3-layer or even single-layer lunch boxes. ✅Good sealing:: The ventilation holes make it easier to seal the food in the box and keep your food fresh and safe from contamination of the divider/lunch container. ✅Design with safety buckle:: Stainless steel portable lunch box container with safety buckle to ensure the box lid and box body are firm and can be carried safely and securely. ✅Hidden handle:: The portable handle can be folded and hidden, does not take up space, lightweight and easy to carry. Thanks to lunch box separate containers, you don't have to worry about mixed or soggy food. You can transport many different types of food at the same time. ✅High-quality material:: The inner lining of the insulated lunch box is made of high-quality 304 stainless steel, which is anti-corrosion and rust-proof, not easy to break, not easy to scratch and heat-resistant, and durable. The outside of the lunch box is made of high-quality plastic, which is durable and drop-resistant.