DeWitt SG200CS Straw Guard Designed to provide temporary protection for grass seed and topsoil during the germination and revegetation stages Prevents soil erosion Lightweight and easy to use Non-toxic biodegradable and saves water Each roll includes 12 pieces of 4 inch biodegradable stakes Straw guard 200 Provides faster germination and seed does not wash away It also prevents soil erosion, saves water and is non toxic and biodegradable Measures 4-feet by 50-feet Covers 200 square feet