Pathfinder Accessories Flip Mat Classics River CrossingDown to the River The river represents freedom of traveland danger! Depicting a treacherous river bend and surrounding woods, Flip Mat Classics: River Crossing makes a great set piece for escaping pursuers, holding a bridge, or battling an aquatic beast! A special coating on each Flip Mat allows you to use wet erase, dry erase, AND permanent markers with ease! Removing permanent ink is easysimply trace over any permanent mark with a dry erase marker,