Premium 5 OZ Heavy Duty Weed Barrier Thicker and more durable than ordinary one, our 4ft x 100ft weed barrier consists of a high-density woven fabric base of 5 ounces per square yard. By creating a tighter barrier, it better protects your plants. Just lay down the garden weed barrier fabric and you won t have to worry about weed. High Permeability & Breathability Weed barrier fabric is specially engineered with a cross-woven design that enhances its permeability, allowing for optimal airflow and water penetration. The water permeability of our garden fabric mat is 4 times more than that of other traditional woven ground covers. Made of durable PP material, it boasts an impressive service life of 2-3 years.