Official octagonal arena for taekwondo competitions - octagon• A complete fighting arena composed of official puzzle tatami mats "Diamond", models 8104 and 8104T• Two possibilities; without external part in a total area of 64 m2 (8104 56 pcs., 8104T-UP 4 pcs., 8104T-DOWN 4 pcs.) or with included external part and in a total area of 100 m2 (8104 92 pcs., 8104T-UP 4 pcs., 8104T-DOWN 4 pcs.) .• Reversible, double color for easy stacking.• Easy maintenance• The possibility of ordering a color as desired• Certificate