DONAU grass paper document organizer folder with 5 different color prints For storing A/4 size documents with a spine thickness of 7 cm, with a lifting handle and pull-out hole. Delivered in assorted patterns. The grass fiber for DONAU grass paper products is produced completely without chemicals, using a maximum of 6 liters of water per ton of raw material. It also stands out in terms of energy consumption. It is shredded purely mechanically, requiring only about 10 percent of the energy used in classic cellulose extraction from wood, while avoiding 95 percent of CO2 emissions.