Anji Mountain Bamboo Rug Co. Bamboo Roll-Up Chair Mat - Dark Cherry - 48" x 52.5", 8mm thick, felt backing, Dark Cherry Anji Mountain Bamboo Rug Co. is introducing a rug pad backing on these exquiste rugs Complements all types of existing flooring including wall to wall carpeting, hardwood, ceramic, and marble 100% Anji Mountain Bamboo Premium felt backing for cushioning and protection. Rolls up for easy shipping and portability.