"Itomasa Soundproof Carpet UP Beige" Purchased in April 2024 and used for approximately one and a half years. There are marks from the caster cups. Since it's not placed where it's stepped on, it's not very dirty. For upright pianos ● Uses high-performance soundproofing material, Sundam ● Acoustic transmission loss of the piano floor surface: approximately 15dB ● Carpet material: Polypropylene 73.3%, Polyester 25.7% ● Fire-retardant, anti-mite, antibacterial, and anti-static treatment ● Color: Beige Dimensions: Approximately W161 x D61 x T0.7cm http://www.itomasa.co.jp/bouon2.html