... 2012 excellent stand up tea bagWe produce kinds of food bag: PA/PE, PET/PE, PET/VMPET/PE, BOPP/PE, BOPP ... membrane, metallocene film, black and white film, milk film, film body thickness, transparency, tension reached the national standard; Shaanxi North who ... and OEM accepted..Website Note:The picture of food packaging bag is just for reference. Please kindly inform us material, thickness ...