Covers approximately 35-40 sq. ft. per ton. Linear shapes that have been tumbled to soften the edges to gives it a water worn appearance. Size range: 4"- 5" wide, 2"- 5" heights, 8"- 24" lengths. Colors: red, gray, cream, and rust. Used for dry stack, low rise garden walls or when mortared for low rise, non-engineered retaining walls.