Battle Grid Battlemat Dry Erase GURPS Dungeons Dragons D&D Pathfinder 18x24 Revolutionize your game with Midgarth Games' Battlegridz! These versatile game boards are flexible, waterproof, tearproof and curl-resistant. Printed on heavyweight, archival-quality synthetic canvas with UV-resistant K3 Ultrachrome inks, this product will stand up to the test of time! Battlegridz are laminated with a lightweight thermal film and back-coated with curl-resistant spray Many companies offer premium gaming grids, but none can boast the same quality, versatility and satisfaction. Battlegridz are the clear choice for the discerning gamer! Battlegridz are featured in two sizes: Large: 24" x 36" have a playable area of 805 square inches (40,000 square feet in-game scale) Small: 18" x 24" have a playable area of 391 square inches (19,550 square feet in-game scale) All Battlegridz orders come in a 24" shipping tube for convenient storage and include four (red, black, green and blue) dry erase markers and a melamine eraser.