Made of sponge material, acoustic panel is practical and sound-absorbing, effectively blocks out external noise, convenient to use. Can be used for drum room, home, , piano room, KTV, soundproof panel can meet your demands. Its sleek and minimalist design, featuring unique shape and classic color, adds elegance to any space. With useful design, simple to install, easy to use. Features -Color:White -Material:Sponge -Size:30.00X30.00X5.00cm/11.79X11.79X1.97in -Multipurpose and useful, suitable for various settings such as home, recording studios, drum rooms, ktv, piano rooms, etc. -Wonderful workmanship, simple and delicate design, classic color, unique shape, noise cancelling panel is useful and convenient. -Quick installation, simple to cut, flexible and practical, wall acoustic panel can bring much convenience. -Made with sponge material, soundproof panel is safe and excellent, sturdy and practical, not easy to deform. -Useful design, excellent performance, effective noise isolation for enhanced audio quality, meet your needs. Package list: 4 x acoustic panels