Why Choose Permaloc Clean Line? Only the highest quality aluminum alloy. Quality made to exact, uniform thickness. Patented design for easy and quick installation. (Lower labor costs!) Interlocking design holds tight, with a profile that ensures the product stays in place. Wide variety of colors to choose from.Easy, labor saving installation; easy to curve, angle and cut; no rusting, cracking or rotting; resistant to frost heave! The attractive, effective, low-maintenance solution for establishing and retaining a crisp, permanent edge for landscape beds or pavers. 1/8"x 4", in 8 foot lengths. Priced and sold in bundles of 6.