The low profile design is nearly invisible in the ground and is a safe alternative to metal, wood or concrete edging. Super-Edg can also be used above ground and at the base of fences to save time and money while string trimming. 6" depth allows for great versatility, including concrete forms. Bends around curves, or form any shape around patterns. Heat with torch and bend when molding to severe angles. Use it in water gardening applications with pond liners. Constructed of super strong poly vinyl and carbon black concentrate. Each 6" x 100' roll includes 25 non-bending 15" steel stakes and 2 connecting H-clips. 65 lb per carton.