Product details:

Mutual Single Net Excelsior Blankets are 100% rocky mountain aspen in light weight polypropylene netting. At 8 ft. x 101.25 ft. each blanket provides 90 sq. yd of erosion control. These single net blankets are both attractive and effective when used for slopes 2:1 or less and in areas of light to moderate rainfall and runoff. Expect useful lifetime of 12-months.