... Product Information,Environmentally Friendly type co-extruded Polyolefin Shrink Film is now the most widely used shrink packaging materials ... ).Included Signal-Wound film,Central-Folded film,Tubular film,with or without perforation.Product Features ,1). our pof shrink film with non-toxic ... color can be printed on our pof stretch films,4). This pof shrink film has been certified by the American ...