De Witt 12YR6300 Prospun Non Woven Landscape Fabric 12-Year Weed Barrier, 6-Feet Easy-to-use, environmentally safe fabric that controls weeds before they start Unique design provides several advantages over conventional weed barrier products Forming a powerful 3-ply layer of weed protection fabric's higher carbon black content provides superior light-blocking capabilities to protect against the toughest perennial weeds Measures 6-feet width by 300-feet length bulk rolls