This product is a convenient and practical sound insulation board, made of materials, safe and comfortable, and durable. It has a simple design, but it is very practical to use and can isolate you from noise. The product comes with self-adhesive, which is more convenient to use. This is a very high-quality and easy-to-use sound insulation board, which can be used in KTV, music classrooms, dance studios, etc. Features -Material: Felt -Size: About 30.00X30.00X0.90cm/11.79X11.79X0.35inch -It is made of high-quality materials, safe and comfortable, with excellent texture. -The simple and generous appearance is fashionable and versatile, which can match your room style well. -It has a wide range of applications and can be used in music rooms, dance rooms, KTV, etc. -With good sound insulation performance, it can well meet your needs. -The self-contained adhesive is easy to install, just stick it on the wall, which is convenient and quick.