Publisher blurb: Deep in the Underdark Lolth's followers are stirring, praying to the Spider Queen, unwary travelers best be wary lest they find themselves on the sacrificial altar. The map features numerous corners for adventurers to sneak around, small rooms to explore or even hide the bodies of cultists that stumble upon them, a prominent altar and magical summoning circle. This high-quality vinyl surface is ideal for staging encounters during your adventures! The mat lies flat for ease of play and is sold in sturdy polycarbonate tube for easy storage and transport. The mat may be marked with WET-ERASE markers to temporarily alter terrain areas or make other notes about battlefield conditions during play. The Game Mat measure 20” x 30” and is marked with a 1” grid.