Dewitt 6YR3300 6 Year Weed Barrier, 300-Feet by 3-Feet 6 Year weed barrier bulk roll This 1.5 ounces weed barrier is ideal for short-term weed control for annual plantings This polypropylene product consists of layers that are laminated and spun bonded for added strength and extra light blockage Measures 3-feet by 300-feet 10 pounds spool weight