REDUCE NOISE AND ECHO: The Acoustic Panels are made of high-density polyester fiber. Properly installing a sufficient number of sound insulation boards in the room can significantly reduce noise, eliminate sound impurities and improve speech intelligibility. | MULTI-COLOR OPTIONS: Balkwan Acoustic Panels are easy to install and disassemble, and the entire back is a double-sided tape, which is not easy to fall off and does not leave traces of holes on the wall. Multi-color options are convenient for you to create decorative wall art. | HIGH DENSITY AND ECO-FRIENDLY: This sound insulation board is made of 100% polyester fiber, which is flame-retardant, odorless, non-toxic, and formaldehyde-free, it's safe for adults, kids, and pets! The size of each board is approx 6", the diameter is 12" x 10.5" x 0.4", and the density is 260kg/m³. | WIDELY APPLICABLE: Great for voice control, noise reduction, acoustic processing, noise reduction-Used for professional studios, school, recording studio, home improvement, stage, rehearsal rooms, concert halls, podcasting, churches, home theaters, vocal booths, home studios, offices, man caves, dog kennels, utility closets, etc. | SATISFACTION SHOPPING GUARANTEE: If you are not satisfied for any reason, please contact us. Our high-quality customer service will give you no worries after purchase. Balkwan sound insulation panels / Pack of 12.

REDUCE NOISE AND ECHO: The Acoustic Panels are made of high-density polyester fiber. Properly installing a sufficient number of sound insulation boards in the room can significantly reduce noise, eliminate sound impurities and improve speech intelligibility. | MULTI-COLOR OPTIONS: Balkwan Acoustic Panels are easy to install and disassemble, and the entire back is a double-sided tape, which is not easy to fall off and does not leave traces of holes on the wall. Multi-color options are convenient for you to create decorative wall art. | HIGH DENSITY AND ECO-FRIENDLY: This sound insulation board is made of 100% polyester fiber, which is flame-retardant, odorless, non-toxic, and formaldehyde-free, it's safe for adults, kids, and pets! The size of each board is approx 3.9", the diameter is 6.8" x 7.9" x 0.35", and the density is 220kg/m³. | WIDELY APPLICABLE: Great for voice control, noise reduction, acoustic processing, noise reduction-Used for professional studios, school, recording studio, home improvement, stage, rehearsal rooms, concert halls, podcasting, churches, home theaters, vocal booths, home studios, offices, man caves, dog kennels, utility closets, etc. | SATISFACTION SHOPPING GUARANTEE: If you are not satisfied for any reason, please contact us. Our high-quality customer service will give you no worries after purchase. Balkwan sound insulation panels / Pack of 12.