This vibrant mat features a stunning Birdie design and a non-slip surface to ensure your tiles stay put during even the most intense games. The Birdie Mahjong mat offers clear explanations directly on the mat, including the Charleston, suit and dragon pairings, wall direction, and the "no jokers in a pair" rule. Pairs perfectly with the Birdie Mahjong Tiles! Dimensions: 33" x 33" neoprene with stitched border. Comes rolled in Canvas bag. Machine washable To eliminate creases in a mat, launder it in hot water and tumble dry on a high heat setting.