high quality paper-plastic composite bag 1.kraft-plastic bag 2 loading weight 10-100Kg 3 density 32*32-48*48 4 length: 1110m high quality ... Kraft-plastic Composite Bag 1- It is made of the kraft paper and woven plastic fabric, which have ... (kraft paper, PE coating, and plastic woven fabric.)2- Its a new type of bags with high intensity, toughness, and moisture, and ...