Great for teching your linemen and backs your offensive splits.  Running backs can lear the holes by running plays without the ofensive line.  Made of heavy-duty vinyl, the marker features weights at the ends and center to kkep it flat on the ground.  The laveled, removable positions attach to a hook-and-loop fastening strip, allowing you to set up your own custom formations.   39' overall length, 10-1/2" wide black strip with 36" yellow positionindicators labeled with 9" letters.