Stand up Pouches with Square Bottom for food package 1) Customized size.thickness.printting. 2) ... PET/AL/PE Stand up Pouches with Square Bottom for food package Description:1)material:PET/AL/PE, PET/VMPET ... retort bag(can prevent from 121,125,128°C),high temperature cooking bag, packaging film, plastic bag, ... zipper bag,stand up pouch,plastic film,paper bag,vacuum bag,food bag,coffee bag,candy bag,ice ...