2 Grass Mats aprroximately 9x17 inches. These mats are designed to be used with our Low Profile Riverbanks to help sculpt curves by blocking out river sections the exceed the boundry of your river banks. Here is a video to help explain their use. The mats basically save you from having to destroy your river mats to make convincing turns. One mat is pure grass, the other has some small areas of bog.
