The Big Book of Battle Mats: Cells & Shrines is a collection of battle mat pages in a large lay flat spiral bound volume, 20.32 x 30.48cm in size per page. Designed to provide easy access to a variety of environments to be used for encounters, from mystical shrine to dank subterranean dungeon.The spiral binding allows the book to be laid flat and for each two page spread to be used as a single mat. All designs have a 2.54cm square grid either as an overlay or as part of the design. The pages are laminated so can be drawn upon and wiped clean using wet or dry wipe markers or chalk pens.