FIG approved. Dimensions: 300×200×20cm,1 pcs 200×200×20cm,1 pcs 210×200×20cm, 2 pcs pcs，260×200×20cm,4 pcs 260×70×13.5cm,1 pcs 209×70×6.5cm,1 pcs. Competition standard, Thickness: 20cm,total area:41m²