rubber flooring: 1) high quality,long life 2) comfortable,slip and viberation resistance,safe 3) easy to install Specifications wonderful flexibility, durability, low cost, environment protectionTechnical spec.Size: as your demandsSurface crumble rubber size: 20meshBacking crumble rubber size: 5meshThickness: 15mm/25mm/50mmWeight: 12kg/m2, 19kg/m2, 38kg/m2Convenient Installation Rubber Safety ...