... :500*500*15/20/25/30/40/45 material:crumb rubber weght:3.8/4.8/5.3/6.2/9 ... /9.4kg interlocking rubber tile Filed of application: office, conference hall, exhibition hall, training ... , swimming pool, staircase, stadium stand, locker room, wharf, scaffold footpath,basketball courts, tennis courts, volleyball courts, football courts and athletic tracks ...