The bento container made from top quality 304 Stainless Steel and food grade plastic material. Double sealed and leak proof, with silicone ring and four sided buckle design that tightly fits. Perfect Size Divided Plates Tray with Lid - 2 main and 3 side dishes. Needn't worry about the food being mixed up. Great for food control and offering a balance of healthy foods ,deeper depth which ensures food doesn’t spill easily.