This C.I.L lawn fertilizer offers a fast-acting and a durable green up. The slow-release nitrogen in this product is based on polymer-coated, sulphur-coated urea. This fertilizer will give you a denser lawn. Results may vary based on grass types and soil conditions. Sold in 13.2 lb (6 kg) bags, it covers 4300 sq. ft. (400 m²).