Heavy Duty Paper Machine Packing Box 1. Use: for packing machine 2. Size: 150*50*100cm 3. Enviroment-friendly material The Paper Packing Boxes are made of corrugated paper,the corrugated paper can reinforce the rigidity of the packing boxes!There has A,B,C,E,AC,BC,CBC,CBE ...corrugatedThe packing boxes can be made to any styles, sizes, printing according to thecustomers' requests