... 32*32-48*48 4 length: 1110m high quality Kraft-plastic Composite Bag 1- It is made of the kraft paper and ... materials, explosives, feed, salt, minerals etc. Paper-plastic composite bag (Complex bag of kraft-plastic) is made of kraft paper, coating, and weaved ... , coatings, weaved cloth). Adopt new PP and 100% magma from composite wood composite base. As a new type of packaging bags, it has ...