From the publisher's website:
Whether your players are on the right side of the law or under arrest, no Game Master wants to spend time drawing interrogation rooms and holding cells. Fortunately, with Paizo Publishing’s latest Pathfinder Flip-Mat, you don’t have to! This line of gaming maps provides ready-to-use and captivatingly detailed fantasy set-pieces for the busy Game Master. Pathfinder Flip-Mat: Watch Station also connects with Pathfinder Map Pack: Sewer System, allowing you to create a customizable dungeon of your own design.
Don’t waste your time sketching when you could be playing. With Pathfinder Flip-Mat: Watch Station, you’ll always be ready whenever you need to call in the guard.
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, Pathfinder Flip-Mats fit perfectly into any Game Master's arsenal!