The material used is completely safe and of highquality foodgrade standards. This makes the lunch box an extremely safe and healthy option for carrying food. Take it with you daily to the office or give your child a healthy lunch, these lunch packs are reusable and durable in nature This lunch box is made of PP Plastic Leak Proof material, durable, safe, and healthy to use. It has fine workmanship and a smooth surface, and it is very easy to clean and carry, perfect for using as a crisper in your fridge, a food storage box in your kitchen, or carrying foods to the office or school. Such a practical and convenient to use, you're worth it! The containers have airtight plastic lids. This will prevent moisture from damaging your cooked food. These lids are also leakproof so your food will not come out from the container even if it's semiliquid. Along with two stainless steel containers, this pack has a big plastic container. It is made of hard food safe. You can carry a lot of food with this spacious lunch box.