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 BoxMaterial:PPFeatures: Fashionable, Portable, 2 Divided Compartments, DurableSize: 20cm x 12cm x 8.5cm/7.87" x 4.72" x 3.35" (Approx.)