Lowes offers Matt log 16" Concrete Straight Edging Stone for $2 with free store pickup.

Product Description:
The Matt log edger will add a decorative touch to your landscape or garden. This edging stone is durable and easy to install. Use it to make an attractive walkway border, plant bed frame or tree ring. Edging is a simple way to enhance your outdoor space while making your mowing and trimming chores easier.

• Creates both straight and curved edges to add a finished look to lawn and garden projects
• Classic tan color tone
• Interlocking design can create straight and curved borders
• Ideal for edging for patios and walkways, tree rings, flower beds, around a mailbox
• Product is light weight and easy to use
• Color, dimension, weight and texture may slightly vary due to natural materials used during manufacturing