HMI PAPERMULCH 50# Nature's Own High Density Paper Hydroseeding Mulch 50 lb is a cellulose fiber mulch manufactured from clean recycled newspaper. NaturesOwn mulch is specifically formulated for all brands of hydro mulching equipment, is quickly mixed in the tank with excellent pumping movement for quick, effective coverage. Our mulch has a 99.5% erosion control effectiveness when blended with NaturesOwn Triple Tac, according to a SDSU slope test. Each bag weighs 50lbs.