^{This Tatami mat has been officially WKF Approved since 2018.}

^{This Tatami has passed the test of shock absorption value and friction value specified by WKF and it is therefore suitable for international Karate competitions. Size: 1025 mm, 1025 mm, Thickness: 20 mm.}

^{The Tatami has 2 colors, one side is red and the other side is blue, that makes possible to distinguish tatami floor area with different colors by means of reversing Tatami. It is easy to join Tatamis each other with jigsaw puzzle-type joint.}

^{Ishii provides Japanese hygienically safe Tatami products with antimicrobial agent in Tatami mat body.}