Travel Chess & Checkers Set: Juegoal dual functional 2 in 1 Chess Sets meets US Chess Federation and FIDE requirements for Official Tournament use. The board measures 20 inches with 2.25 inch squares, boundaries are designed using numbers and letters algebraic coordinates to describe and record chess moves. Include 32 chess pieces and 24 checker pieces, and 2 extra Queens & 2 extra checkers for easy promotions. Folding Chess Board Mat: The professional roll up chess board is made of thick rubber, features clear pattern, could not be more convenient to carry and keep in place. The board can be laid flat on your table, providing a pleasant heavy weight surface, hard to wrinkle and stain, UV and scratch resistant. While we recommend you store it flat or rolled, this floppy chess board mat is very light but very strong, and will easily fold to a compact size for travel.