... A;top layer;22mmX60mmX400-1200mm B;flooring system:86mmX780mmX1200mm material:maple,ash,oak sports flooring ZhongAo is managed to ISO9001 ... . size;A;top layer;22mmX60mm/65mmX400mm-1200mmB;removable flooring system:86mmX780mmX1200mmmaterial:maple,ash,oak,birch,beechcolor:natural wood ... color This kind of dismountable flooring system is very easy to install and uninstall, ...