Amazon.com: 27" x 23" Double Sided and Foldable Role Player Game Battle Grid Game Mat - for Dungeons and Dragons and Other RPGs - Double Sided - Includes Markers and Eraser :
Swamp Road 36" x 36" Battle Mat For D&D, Pathfinder Miniature Tabletop Games | eBay
Desert Sands 001 36" x 36" Battle Mat - D&D and Pathfinder Miniature Map | eBay
Amazon.com: Pathfinder Flip-Mat: Basic Terrain Multi-pack : Engle, Jason A., Staff, Paizo: Toys & Games
Amazon.com: Dungeons Battle Grid Game Mat - Reusable Double-Sided Map for Role-Playing Board Games - Essential Accessories for Pathfinder, Dragons, & Tabletop - Great Starters or Masters - 3 Pack 24x36 Inches
D&D RPG Battle Mat Dungeons and Dragons Map Tiles Table Top - Etsy