environmental friendly,100% recycled and reuse 1.They are environmental friendly, cute looking2.high-temperature endurable, light-weighted, stackable, and of low transportation costs.3.the material can be 100% recycled and reuse4.can be heated by the microwave, oven, induction cooker or pressure cooker directly5.coated pure aluminum6. applicable to pre-packed food,such as airline meals,tray meals ...