Multifunctional sound absorbing cotton, adhesive durable acoustic panel for drum room, piano room, soundproof cotton (blue) (blue)

Acoustic Panel: Waterproof and moisture-proof, excellent workmanship, good sound insulation, long service life, reusable. Acoustic Panel: Bottom composite rubber and plastic sound insulation layer with corrugated sponge sound-absorbing layer, self-contained oil-free self-adhesive low-grade environmental protection. Acoustic Panel: Good sound insulation, flame retardant, using healthy and environmentally friendly materials to reduce noise. Acoustic Panel: Tips: This product is designed with self-adhesive glue. It can be installed immediately after the customer receives the package, and the installation is simple and convenient. Acoustic Panel: Color: Green, Orange, Blue, Black, Yellow/ / Size: 1*1M // Thickness: 5CM / / Area: 1 square meter;