plastic packaging bag with a clear window 1.food ... CPP or LDPEMoisture 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, ... to twist, good lookCandy and snack packaging clear plastic packaging bag for vegetables