New3' X 100' Weed Barrier GF20 Alliance3' X 100' Weed Barrier GF20 New3' X 100' Weed Barrier GF8 Alliance3' X 100' Weed Barrier GF8 New4' X 100' Weed Barrier GF20 Alliance4' X 100' Weed Barrier GF20 New6' X 100' Weed Barrier GF20 Alliance6' X 100' Weed Barrier GF20