Patented moisture cell technology helps maintain moisture in the soil so more seeds germinate in less time. Contains a starter fertilizer specially formulated to promote the development of strong roots. Light seeding paper mulch with wetting agent helps protect germinating seeds from hot sun and drying winds. Also, helps prevent weeds, and unlike straw, is weed and mess free. 30# covers up to 600 sq ft., 10# up to 200 sq ft.