Mow strips can be made from any solid material used to separate the lawn from a planting bed. They allow a law mower to trim the grass all the way to edge of the lawn without having to use a string trimmer. Mow strips are usually made from concrete but can also be made from pavers
Tar and chip driveway. This has an upscale look with the cobblestone edging. The raised curbing will work great. And although I like the look of the triple border, I would imagine this will take some upkeep.