Publisher's blurb: 4 Double-sided Pages, 8 modular maps that can be rotated flipped and rearranged, to build a Wooden Fortress, complete with entry, murderways, curved and straight wall components, and a keep. Each page is printed on thick cardstock and laminated, wet and dry erasable. Comes with a plastic protective case. Available in 1" Grid Squares, 1" Hexes, and Gridless.