Deluxe model chair mat features 4in. wide slats for a smoother rolling experience Naturally elegant bamboo is functional and elegant. Rectangular bamboo slats are ideal for low-pile carpets and hard floors. Made with natural rubber backing and UV-cured coating for ultimate protection. Kiln-dried ensures optimal moisture content to minimize cracking and warping. Anji Mountain Bamboo Deluxe Roll-Up Chair Mat, 55in. Made by Anji Mountain Bamboo.