Anji Mountain Bamboo Rug Company 48-by-66-Inch, 5 MM Thick Bamboo Roll Up Chair Mat, Natural Create a smooth surface for chairs without compromising on good looks 100-percent Anji Mountain bamboo with Natural finish; non-slip felt backing No tongue; perfectly symmetrical appearance; rolls up for easy portability Complements all types of existing flooring like carpeting, hardwood, ceramic, and marble Measures 48 by 66 inches; 5 mm thick; available in alternative sizes, thicknesses, and colors