3 Pre-Assembled flagstones form a single shape.Combine with the Halo Straight Edger to make endless patterns Creates curved edge to add a finished look to lawn and garden projects Edge trees, driveways, walkways, patios or garden beds Reduces Movement Between Each Cobble Product ...3 Pre-Assembled flagstones form a single shape.Combine with the Halo Straight Edger to make endless patterns Creates curved edge to add a finished look to lawn and garden projects Edge trees, driveways, walkways, patios or garden beds Reduces Movement Between Each Cobble Product is light weight and easy to use Color, dimension, weight and texture may slightly vary due to natural materials used during manufacturing Haloedge 17-in L x 5.25-in W x 3-in H Gray Concrete Curved Edging Stone