From the publisher's website:
Who knows what criminal conspiracies and deadly deals might unfold amid the maze of merchandise in GameMastery Flip-Mat: Warehouse? With a full suspicious scene on each side, this durable accessory can serve as ambush site or hideout in any tabletop fantasy campaign!
This portable, affordable map measures 24" x 30" unfolded, and 8" x 10" folded. Its coated surface can handle any dry erase, wet erase, or even permanent marker. Usable by experienced GMs and novices alike, GameMastery Flip-Mats fit perfectly into any Game Master’s arsenal!
On tabletops across the world, the Flip-Mat Revolution is changing the way players run their fantasy roleplaying games! Why take the time to sketch out ugly scenery on a smudgy plastic mat when dynamic encounters and easy clean-up is just a Flip away?