Echwave 4 x Acoustic Panels, Acoustic Foam for Recordings Studio/Living Room Soundproof Wall Panels, Soundproof Foam Panels

[100% polyurethane, SGS safety certification] To the quality of the acoustic foam plates, the records are made of 100% polyurethane, without adding fillers, our sound foam has passed the SGS certification, non- and harmless to that of you and your family. [Better Sound Absorption] The acoustic plates take the shape of the pyramid structure and form more rebound grooves, while the thickness of the acoustic foam is 2, which can absorb and consume sound energy maximally, helps reduce reverberation, flutter echoes and unwanted acoustic reflections, unwanted noise. [Available for use in multiple scenes] The sound foam can be used in small to medium sized rooms, theatre rooms, recording studios, churches or offices, etc. to reduce unwanted noise.