... bagMaterial: PET/NY/AL/PAPER/PE(general packaging), PET/NY/CPP(high-temperature boiling and steaming)Type: 3-side sealed(flat ... , ETCMid-layer: PET, VMPET, VMCPP, PAPER, AL, PA, ETCInner-layer:CPP, PE, White milk PE, VMPER, ETCUsage Food, tea, medical, seed ...