The Permaloc 13303 is CleanLine XL 3/16" x 5" x 16' Black Duraflex Edging. CleanLine XL is a series of extra deep, heavy-duty commercial grade aluminum landscape edgings, designed to function in applications with extreme demands. Engineered to maximize design sustainability and provide long-term durability, it is the preferred edging for areas with high volume pedestrian traffic, very large aggregates, or demanding conditions.