Cover in grain design made of non tearing non abrasive 1000 DENIER synthetic. Made of high quality bonded polyurethane foam. Density 220 kg for top level competition. Rubbersized non slip base. SLS/SM/JMT -400 - Size : 2 mtr X 1mtr X 40 mm. SLS/SM/JMT 410 - Size : 2mtr X 1 mtr X 50 mm.