Manufactured by the original inventor of black poly edgings. Royal diamond 60 feet in length x 4-inch height is the highest quality edging available on any online site; contractor grade. Click on additional photos for installation tips. Anchor stakes (sold separately) are highly recommended for long-term installation. Options to purchase separately. Anchor stakes are recommended every 3 feet. For circular creations around a tree, use an included connecting plug. Black color UV inhibitors to prevent fading/cracking. Can easily be cut to customize lengths using a hack saw, use protective gloves. Unravel on pavement 1-day in advance and put a weight source on each end. This will allow for easier installation. For areas with clay/dirt soils, it is recommended to purchase either valley view 9 in. Metal or plastic anchor stakes for long-term use, these are sold separately. Get everything you need.