One of the greatest strengths of tabletop gaming is that the possibilities are literally endless, limited only by the imaginations of intrepid players and gleefully scheming dungeon masters. Campaigns, characters and settings are adaptable to an infinite degree because the game assets exist in the mind, because they aren't printed on game boards, trading cards, and the like. Often the only physical elements of a table top game are character sheets, maybe some miniatures, and a set of fair but unforgiving polyhedral dice. Think of battle mats as steroids for your campaigns. Formerly nebulous dungeons now have distinct, exacting shapes, like bottlenecks to force tough engagements, or blind spots for traps and ambushes. Devote a single 1" hex amongst an ocean of 2,460 others to house a nefarious pressure plate. Lend your post-apocalyptic wasteland some scenery to appreciate and geography to negotiate. Graph out precise areas of effect, reveal lines of sight. Battle mats add lucidity, but also complexity. Why You'll Love It: Our double-sided Grand Campaigner is made from durable, textured vinyl. It travels and stores well but lays flat when unrolled, unlike laminated card stock mats. Each Grand Campaigner measures a spacious 48" by 36" featuring an absurd 1,564 square inches of usable space. Accommodating several styles of play and sets of rules, the Grand Campaigner uses both a hex and a grid system, packing an impressive 2,461 hexes and 1,564 squares onto a mat 4' wide and 3'; long. Note:Because this mat is made from textured vinyl, it is not 100% eraseable. However, we have experienced good results with Vis a Vis wet erase markers. For best results, use only wet erase markers, and try to erase within 3-4 hours. Please note that the included marker is permanent, and whenever you test new markers, do so on an inconspicuous part of the mat.