Lunch Box: Made of superior food grade stainless steel, material thick texture hard, no distortion, excellent durability, silicone ring enhance the sealing effect. The lunch box can keep hot food for warm for 2-3 hrs.
Lunch Bag: Felt + foil design provide double insulation, adjustable Crossbody Strap & grab handle makes it portable to carry, small front pockets provide space for forks and spoons. With lunch bag this set can keep hot food warm up to 4 hrs in total.
Tips: The first upper layer with silicone ring is designed for putting soup or hot food to keep warm, you'd better put soup in the first upper layer to avoid leakage.