... density 32*32-48*48 4 length: 1110mm 2011 high quality Kraft-plastic Composite Bag 1- It is made of the kraft paper ... kraft paper, PE coating, and plastic woven fabric.) 2- Its a new type of bags with high intensity, toughness, and moisture, ... materials, explosives, feed, salt, minerals etc. Paper-plastic composite bag (Complex bag of kraft-plastic) is made of kraft paper, coating, and weaved ...