... Thickness: 9mm/13mm,optional 5.ISO, OHSAS Breathe Freely Rubber Running TrackCompany: Nanjing Olympic Sports Facilities Engineering ... Co.,LtdBrand: Shen-AOBreathe freely running track:13mm standard, or according to your ... surface: EPDM granules + polyurethane adhesiveFeatures of breathe freely running track:1,All-weather available.2,Excellent elasticity ...