Purchase store: Nitori Size: Approx. 1.5 tatami mats (approx. 130 x 185 cm) Specifications: Soundproof, cushioning, compatible with floor heating/hot carpets, non-slip processing (back fabric), hand washable, usable year-round Composition Surface fabric: 100% Polyester Filling: Urethane foam Back fabric: 100% Polyester Non-slip: Vinyl chloride resin Hem: 100% Polypropylene This is a used item that has been used for about 1 month. I measured the thickness, and I think it's not much different from new. There are some areas where furniture was placed on it, resulting in some indentations. They may return to their original shape if left for a few days, but it is sold as-is. Price non-negotiable Will be shipped compactly