YMI Magnetic Travel Chess Pocket Size, 8" Folding Chess, Open 20 x 17 1 cm, 0.31 lbs. Its wallet format fits in a pocket.

ULTRA EXTREME WALLET SIZE PORTABILITY: Especially compact chess set for utmost playing convenience while traveling; It's small enough to keep in your purse or pocket! PERFECTLY SIZED FOLDING BOARD: The magnetic board and playing pieces allow for more ease of play and fewer disruptions while playing on the go; The two-fold chessboard measures 20 x 17 x 1 centimeter when opened EVERYTHING YOU NEED TO PLAY: Complete set of playing pieces is included and is designed for optimum portability; Each chess piece measures 1.5 x 1.5 x 0.1cm PERFECT FOR TRAVELS: Lightweight and foldable at 0.014kg and made from quality plastic with magnetic features, this set is ideal for outdoors or trips; Tuck it away without taking up space EDUCATIONAL OR CASUAL CHESS: Can be played or gifted as an instructional chess set for beginners or a practice set for seasoned players; This set is fit for adults and kids alike