18 Pieces Self-Adhesive Acoustic Panels, 30x26x1cm Black Hexagonal Wall Sound Insulation Panels, High Density Acoustic Foam Panels, for Studio and Office

Made of polyester fiber, ensuring durability and effective sound insulation. Has a noise reduction coefficient of 0.9, reduces noise frequency by up to 90% and reverb time by 97%. Equipped with a self-adhesive backing for easy application to smooth, dry surfaces like wood, glass and tiles. Perfect for recording studios, game rooms, home offices, theaters and living spaces. The panels are waterproof, odorless and feature an elegant hexagonal honeycomb design.