Brown Flex Canyon Wall - Brown tone, multi-scale. These unique rocks are duplicates of actual highly detailed rock formations, molded in semi-ridged urethane foam (foam rubber). Canyon Wall highly details Eastern Limestone striation outcropping and is ideal for New England and Eastern United States.17" W x 7-1/2" H x 1-1/2" thick. ** $5.00 Additional shipping surchage added.