Stand up food packaging with clear window Import and export license: ISO 9001:2000 SGS FDA ... , matte OPP/VMPET/PE, PET/VMPET-PET/PE allow clear window in one side, PET/PE and NY/PE are for transparent ... up, zipped, heat-sealed, heat-cut, cold-cut, blown, sealed-in the-middle, three-side-sealed, with handle or hanger holeCompetitive ...