Large 3 Layer Stainless Steel Thermos Lunch Box Portable Thermal Insulation Food Container Office Picnic Bento Box Leakproof|Lunch Boxes Feature: ✔ Made from high quality food-grade stainless steel 304 which will never rust and is naturally BPA-free. Does not retain flavors or scents. ✔ Between each stackable insulated compartment are heavy-duty silicone seals to lock in freshness, leaks and odors. ✔ 3 layers, single layer capacity is about 700ml, suitable for groups with different food capacity, such as student, worker, camping, etc. ✔ Easy to carry, pack your main course, fresh salad, fruits, carrots or any snacks in the lunch box, perfect for work or school. Parameter: Material: 304 Stainless Steel Type: Double Wall Leak Proof: Yes Thermal Time: About 2-4 hours Number of Layer: 3 Layer Color: Silver Single Layer Capacity: About 700ml