sheets of brown corrugated cardboard and green leaves. stacked carton sheets and plant.

sheets brown corrugated cardboard green leaves stacked carton plant fiberboard fluted sheet single containerboard paper packaging face board wall flute flat linerboards natural unbleached recycling kraft singlewall doublewall cover core strength cellulose waste multilayer plain material durable lightweight protection environmentally friendly shipping box pile texture fragile fill used blank package surface industry parcel structure ecology concept