... proof,good heat seal,good air barrier and transparencyDry food,expanded food,biscuit, cookies and bread packagingBOPP/VMPET or VMCPPGood ... light barrier,anti-puncture,good stiffnessDry food,expanded food,medicine, cosmetic,milk powder and tea packagingBOPP/PET/LDPE ... packaging bag,retort bag(can prevent from 121,125,128°C),packaging film,high temperature cooking bag,plastic bag, ...