Moisture-proof sound-absorbing cotton, classroom office acoustic panel environmental protection durable soundproofing foam (black) (green)

Acoustic Panel: Sound-absorbing, environmentally friendly, waterproof, especially suitable for wall noise reduction, exquisite workmanship, durable. Acoustic Panel: Good sound insulation, flame retardant, healthy and environmentally friendly material, meticulous workmanship, long service life. Acoustic Panel: Green, non-toxic, durable, long service life, sound insulation and sound absorption in one step. Acoustic Panel: Tips: This product is designed with self-adhesive glue. It can be installed immediately after customers receive the package, and the installation is simple and convenient. Acoustic Panel: Color: Orange, Blue, Yellow, Black, Green / / Size: 1 * 5M / / Thickness: 5CM / / Area: 5 square meters;