9 inch straw wattles in 25 foot lengths used for low to medium risk erosion control in place of straw bales and silt fence. Low cost to install and very low cost removal is cheap and easy. Check with your local conservation dept. to see if you can use on your job site. Also selling 1000 feet of Silt Sock for $3 per lineal foot to control erosion in higher risk areas. Call 978-204-948three.