Dewitt 3-Foot by 100-Foot Non Woven 12-Year Landscape Fabric 12YR3100 Environmentally safe fabric Provides improved water and nutrient flow Measures 3' x 100', 3 oz DeWitt weed barrier 12-year is an easy-to-use, environmentally safe fabric that controls weeds before they start The non-woven, hydro philic treated fabric allows air and water to pass through Dewitt landscape fabric minimizes light penetration to suppress weed growth Fabric is treated to minimize degradation due to UV light exposure The design also prevents unraveling and makes the material easier to cut; measures 3 by 100 feet