Taishan Judo Mat IJF(International Judo Federation approved) It was used in Beijing 2008 Olympic Games Serial No: TSOZXRDD-A Good Name: New Type Judo Mat Size(m) 14*14*0.04 Certification: LJF( International Judo Association) Certified Specification: Connected with 128 or 98 PCS mats. 1m*2m*0.04m/each Weight: 25kg/PCS Color: Green Red Grey Blue Yellow Cover Material: PVC Bottom Side: Rubberized anti-skid layer. Inner tube: Double 230 density of compound foam core, fibreboard between the foam core. Inner tube: Double 230 density of compound foam core, fibreboard between the foam core.