Our Soft Mouse Pad Style Tournament Chessboards are standard tournament size (20" x 20") with 2.25" individual squares and rounded corners. Unlike other mouse pad chessboards available on the Internet, our mouse pad style chessboards are COMPLETELY ODORLESS - No strong chemical smell! Guaranteed to lie flat, no more turned up edges! Fits rolled up in our Deluxe Chess Bag. Exceeds all US Chess Federation and FIDE requirements for Official Tournament Use! 20" x 20" in size Features rank and file labels on all for sides - ideal for beginners! Manufactured out of high-grade mouse pad material that always lies flat Rolls up into a tight tube-shape for easy transport Fits in our Deluxe Chess Bag Since 1939, The United States Chess Federation is the official, non-profit US membership organization for chess players and chess supporters of all ages and strengths, from beginners to Grandmasters. The USCF represents the United States in the World Chess Federation (FIDE), linking US members to chess players around the world. To address the equipment needs of Chess players, The US Chess Federation is proud to offer our exclusive line of Chess equipment that is available at reasonable prices. All purchases support the United States Chess Federation and its mission to promote the game of Chess