COLOR: Natural grey. May vary in COLOR and SIZE due to being a natural resource from the earth.
DESCRIPTION: Varies in size approximate average is a "SOFTBALL" size. This product size of rock is rock that can get through a screen (in any direction) so will have various sizes. Used to driveway ditch areas, stream-beds, bridge abutments, pilings, and erosion areas with high water flow.
COVERAGE: covers approx. 55 to 60 sq ft, no set depth, will have voids