Anji Mountain AMB24008 Bamboo Roll-Up Chairmat with Lip, Natural, 55-Inch by 57-Inch 100% Bamboo Imported 100 percent moso bamboo. Dusting and light cleaning can be done with a damp cloth. Exquisite bamboo mat is more attractive than a plastic mat and supremely durable. Perfect for home or office Mat is made from renewable, eco-preferable flooring-grade bamboo; Felt backing with non-slip dots keeps mat in place Perfect for commercial carpet (up to 1/4", no carpet pad) or hard floors; Hard floor chair casters recommended Cleans easily with damp cloth and water; Bona Pro Series Hardwood Floor Cleaner and Refresher also recommended; Made in China 55 inches wide x 57 inches deep x 5 millimeters high