Excellent for Long-Term Landscapes. This 4-FT x 50-Ft Hydrophilic Landscape Fabric - Eco-Friendly is an easy-to-use environmentally safe fabric that controls weeds before they start. Its unique design provides several advantages over conventional weed barrier products. It is fabricated using a spun-bond method which sandwiches melt-blown material forming a powerful 3-ply layer of weed protection. Plus the fabrics higher carbon black content provides superior light-blocking capabilities to protect against the toughest perennial weeds. The design also prevents unraveling and makes the material easier to cut. In addition DeWitt Weed Barrier 12 Year is hydrophilic treated providing improved water and nutrient flow through the fabric. 4-FT x 50-Ft Hydrophilic Landscape Fabric - Eco-Friendly Dewitt weed barrier 12-years 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 Dimensions: Measures 4 by 50 feet Shipping Weight: 4lbs.