... pack the food directly2,good airproof and moisture resistance3,food grade,non-toxic,eco-friendly4,suitable for high-speed automatic packing ... parts:Laminated flexible packaging products of food grade:1. Retort pouch or bag,food grade,121°C,125°C,138°C retortable ... /PET12+NY15+AL7+CPP702. Stand-up pouch with zipper,food grade,material structure:PET12/LDPE45-150/OPP30/PET.VM12/CPP/OPP ...