Bundle of colorful wastepaper cardboard to be recycled. Paper cardboard is bundled into bale. Recycled background: pollution, friendly, dispose, package, solid waste, manufacture, separate, junkyard, production, factory, cartons, carbon, bale, recycled, green, ecological, box board, crushed, reduce, packaging, flattened, copy space, wastepaper, corrugated, plant, scrap, conservation, trash, environmental, boxes, rubbish, ecology, disposal, pile, carton, stack, bundles, industrial, environment, recycling