Gluman Flip Lunch Box Generic is made of high-quality material. It is durable and long-lasting as it is made of plastic. It is made with anti-bacterial, non-porous material. It has air-tight, leak-proof containers. This lunch box has an airtight easy opening lid that is leak-proof. It is free from BPA and other harmful contaminants, this box set is safe for you and for your family.