Dyed Black in colour using natural vegetable based dyes. Used for decorative purposes as well as weed control and moisture retention. Product will breakdown and colour will dull over time. Product will have to be replenished periodically. 1 cubic yard covers 100 square feet at 2.5-3 inches deep. Product colour and size can vary slightly. *Please kindly note that handy cubes are delivered on trucks with forklift. Handy Cubes CAN NOT be lifted over fences, dropped in garage or any enclosed space.