Dewitt 12YR350RF Prospun 3- by 50-Foot Weed Barrier Dewitt prospun weed barrier fabric can be used as a ground cover, for soil stabilization, erosion control, gardening, and landscaping Dewitt prospun weed barrier is fabricated using a spun-bond method, which sandwiches melt-blown material, forming a 3-ply layer of weed protection Designed to assure positive permeability, strength, and lasting quality Colored stripes located 12 inches apart make for easy plant alignment