Food Grade Material:Made of high quality food-grade safe PP plastic (external) and durable 304 stainless steel (internal),BPA and phlalate free.
Container Structure:four compartments for different food including one soup bowl grid.The lid can hold cutlery and as phone holder.
Microwave Safe:safe for microwave heating,but must with lid together and open ventilate tap and latches when heating.Also can add hot water to the PP bottom.