Silpat Perfect Sushi Mat, 9.5" x 9.5", Dark Grey Mat has silicone on both sides for easy sushi rolling at home Just place the seaweed on the mat, fill with your favorite fish and rice, and use the mat to roll perfect sushi every time Mat dimensions are 9.5" x 9.5" The double sided silicone replaces the need for bamboo mat and saran wrap Flexible material allows for easy rolling and preparation of sushi rolls