Dungeon Tiles - Sand color- Combo Pack of 5 x 10in and 16 x 5in squaresThis package of Role 4 Initiative Dungeon Tiles contains 5 10 inch tiles and 16 5 inch Sand color tiles that interlock like puzzle pieces. Compatible with dry erase, wet erase, and liquid chalk markers. More flexible than a traditional battle mat, start your game with a single tile and connect the tiles as the adventurers explore new areas.