Acoustic Foam Panels 24 Pack 2" x 12"x 12" Saiqiang Soundproofing Wedges for Wall Noise Absorbing Soundproof Panels Black Sound-Damping Fire-Resistant for Studio, Office, Gaming Room

Its really good materials

Estarían mejor y más práctico ,si tuvieran pegamento!!

These are mediocre at reducing sound, however, they do help with insulating the walls from heat and cold. As a day sleeper I was hoping for more quiet but, they do help some. When the exterior walls get really cold during sub freezing temps, the panels shrink a bit and expand when it warms up.

Not very good quality, has almost 0 use , not at all for what it’s intended for unfortunately

I put these in a door that is in my living room that faces for the rental room, and although they are fine, it helps to control noise. And they are very easy to place. Good value for money.