Sunleaves Peruvian Seabird Guano, 11 Pound Peruvian seabird guano No chemical additives, it offers the highest quality in organic fertilization Peruvian seabird guano is pelletized for water solubility with less mess Includes convenient clam shell packaging, up listed Measures 14.5-inch In length by 16.3-inch In width by 0.5-inch In height