Publisher Blurb: Flip Mat: River Crossing features a wide river winding through a dense forest. The map also features a small trail that crosses the river with a wooden bridge, making a perfect ambush site. The Flip side features a curving forest river. Flip Mat: River Crossing measures 24" x 30" unfolded and 8" x 10" folded. GameMastery Flip-Mats are designed to make your game portable and affordable. They're made with durable, laminated card stock and can handle dry erase, wet erase, and even permanent marker! Usable by experienced GMs and novices alike, this product fits perfectly into any Game Master's arsenal!