Click on image to enlarge. Silicone Black Board 2.25" Squares $19.95 SKU: M-691 Enter Quantity Stock: AvailablePickup in storeFeatures: Board Measures 20" with 2 1/4" Squares Made of Silicone Board Does Not Get Creased Like Vinyl Mats Stays Flat for Outdoor Use Silicone Surface Provides No-Slip Grip for Pieces Boards