This is soundproofing for pianos. It is also effective for earthquake countermeasures. It is effective for soundproofing in apartments to prevent noise from reaching the downstairs neighbors, for consideration of the neighbors, and for earthquake countermeasures in high-rise buildings. We recommend preparing this before purchasing a piano. If you have a wooden floor or flooring, you can slide it to move it. The photos are examples. We have plenty in stock. We will select and send you a beautiful one.