MIJ-633 Microwave Safe Plastic dining Set (box) Microwave Safe: Bowl, lid, spoon, and chopsticks designed for easy reheating and cooking All-Around Use: Safe for dishwasher, fridge, and freezer Easy Care: Dishwasher safe for hassle-free cleanup Material(bowl) & (spoon) & (lid):Plastic (PP) Material(chopsticks) : Plastic (ABS) Temperature resistant : -20~+120 Celsius