Rafstya 36 Pack 9.8X 9.8X 2 Inch Pyramid Acoustic Foam Sound Absorbing Panel for Wall,Studio, Home and Office

These acoustic sound panels are intended for absorbing and eliminating sound, echoes, flutter echoes, standing waves, reverb, etc. Perfectly good for home or recording studio, game room, musical instrument studio, podcast, office, school, control room. Besides, these wall foam panels can reduce noise somewhat in conditions of installing enough panels, but can't completely block noise. The pyramid design helps break up the acoustics a bit better and look stylish. The cut and shape of the panels are consistently symmetrical and even. The pages are cut so that they fit together perfectly. Easy to install, just attach double-sided tape or glue (not included) to the back of each sound proof padding and install to the desired position. Easy to shape and cut to smaller size, you could create different styles of decorative wall art in your favorite space! BTW, pls make sure the wall is clean and in good conditions before installation.