An unusual way to bring whimsy to your lawn, a mulched space or flowerbed, this Decorative Stones Dragonfly Garden Accent allows you to control the shape of its design. When placed together, these 12 weather-durable, cast stone pieces form a dragonfly. Each weather-durable concrete stone has a material backing. This dragonfly garden décor is sturdy enough to remain outdoors all season long. A unique accent that will complement any home's exterior. Wind & Weather Exclusive Design.