Star Babies compartment tray, all-in-one and removable. Easy to pack food and easy to clean, You can add hot water to the plastic box before you dine, then cover the lid to make the food warm, Our Bento Lunch Boxes are made of Premium Quality 100% TOP-GRADE 304 Stainless Steel.It will NEVER rust .The shell is uses FDA food-grade PP plastic, The stainless steel bento box has 4 secure locking clips, without worrying about food leakage, This lunch box is very suitable for children, adult,offices, workplaces, schools, picnics, easy to carry, and help plan a balanced diet.