product content [Blue 3 tier].HIGH QUALITY - The inner container of this lunch box is made of high-quality stainless steel, and the outer shell is made of PP material, non-toxic, durable, and rust-proof.KEEP WARM - The lunch box with insulated bag usually keeps hot food warm for about 3 hours, this will be influenced by the local temperature. Of course it can also be used for cold food.LARGE CAPACITY & FREE COMBINE - The stainless steel lunch box is designed to be stackable, and you can combine it according to your needs. Large capacity, can meet the appetite of children and adults.EASY TO CARRY - This lunch box comes with a lunch bag and tableware. It is very suitable for children or adults and it is convenient for you to take to school, office, picnic.