MegaChess Large Chess Set and Large Chess Mat - Black and White - Plastic - 16 inch King (32) Chess Pieces - 16 inch King; (1) Large Chess Mat - 5 x 5 feet(L x W); (4) Metal Stakes Made of high-density plastic; Waterproof; UV protected; Resists staining and fading Heavy-Duty Nylon Chess Mat; 7-inch squares(L x W); 5 x 5 feet(L x W) when in use Metal grommets at each corner for use with metal stakes to secure mat to the ground Perfect for playing at the park, beach, campground or anywhere friends or family gather