Amazon.com: TIDYBOSS DND Starter Set Battle Game Mat -3X Double Sided Battle Board 24x36-6 Terrains Tabletop Mat, Dry Erase Markers, Eraser, Dice and Clips -RPG Battle Terrain Dungeons and Dragons Starter Set :
D&D Battle Grid Game Mat 24" X 36", Dungeons and Dragons Game Mat, RPG Game Board. Erasers and Markers, Red Black and Blue Markers. Craft Your own Map., Board Games - Amazon