Staunton Tournament Chess Pieces, Triple Weighted with 3.75" King and 2 extra Queens These are Overweighed Club Plastic Pieces Weight 39 oz King stands for 3-3/4" These chess pieces are the recommended standard for official US chess federation tournaments All 34 Chess Pieces ( 32 standard and 2 extra queens) Heavy, Plastic Tournament Staunton and have Felted Bottoms