Made of PP material, this lunch box can heat in microwave oven. With 2 divided compartments, it contains a generous amount of protein. The airtight and leak-proof locking lid lets you carry this lunch box with confidence in a backpack. Its elastic silicone seal blocks air to keep food fresh. It is easy to clean. Item Name: Lunch Box Material:PP Features: Fashionable, Portable, 2 Divided Compartments, Durable Size: 20cm x 12cm x 8.5cm/7.87" x 4.72" x 3.35" (Approx.)