... *15mm(18mm,20mm,25mm) 3 rubber floor Application: road, school, kindergarden, playground, weight room, Exercise area, gym club, golf club, patios, ... proshops, pathway, deck and ect.... 4 Rubber floor properities:resilent,shook-proofing ... life. Cigarette-burns resistance, long life, non-toxic and ect.. rubber floors for gym club