MIJ-633 Microwave Safe Plastic dining Set (box) MICROWAVE Safe Set- Bowl, lid, spoon and chopsticks are all designed for convenient microwave reheating and cooking- dishwasher, fridge and freezer safe. CARE INSTRUCTIONS- Dishwasher safe for hassle-free clean up. Material(bowl) & (spoon) & (lid):Plastic (PP) Material(chopsticks) : Plastic (ABS) Temperature resistant : -20~+120 Celsius