... 3.10yrs warranty 4.anti-skidding polycarbonate chair mat standard size :1. Rectangular chair mat specification: ItemThicknessSize (m) ShapeCorner ... 5061.20x2.0070.80x1.0080.90x0.9091.22x0.922. Round chair mat specification: ItemThicknessSize (m) shape Color 11.0mm, ... such as printers,copy&vending machines6)Typical applications: office chair mat,residential floor protection,playroom and study desks,high ...