... its appearance to be preserved. Polycarbonate, smooth backed chair mats and general office mats are the ideal ... any directly competitive product on the market.Rectangular polycarbonate chair mat specification:ItemThicknessSize (m)ShapeCorner typeColor11.5mm, 1.6mm, ... as printers,copy&vending machines5) Typical applications: office chair mat, residential floor protection, playroom and study desks, high ...