FLEXROCK GRANITE ROCK FACE - Multi-Scale. Gray tone. These unique rocks are duplicates of actual highly detailed rock formations molded in semi-ridged urethane foam (foam rubber). They are designed for all scales and can be bent concave or convex to follow any curve. Castings may be easily cut with scissors or hobby knife. The castings include modeling and painting instructions. Preweathered with a light, natural gray tone, these castings may be used as is, or detailed as you would conventional rock castings. Latex or acrylic paints recommended. Gray Granite Rock Face highly details hard metamorphic granite outcropping and is ideal for Rocky Mountains and Midwestern United States. 17" W x 7½" H x 1½" thick.