Approximately 2.2 tatami mats (185 x 185cm) ● Antibacterial and Odor-resistant (Surface fabric) ● Antibacterial treatment (Surface fabric) ● Increased cushioning! ● Hand washable ● Compatible with floor heating and hot carpets ● Non-slip processing (Back fabric) ■ Composition Surface fabric: 100% Polyester Filling: Urethane foam Back fabric: 100% Polyester, Non-slip: Vinyl chloride resin Used for approximately 2 years. There are no particularly noticeable stains, but please understand that there may be some minor fraying and signs of use.