HIGH QUALITY MATERIAL: Made of 230kg/m3 high density and eco-friendly polyester fiber, our soundproofing foam have an great advantage of reducing and absorbing noise, it is both safe to breathe in and touch, too. Besides, the sound proof foam panels do well on the test of noise reduction, achieving a grade of NRC 0.95 which is better than all of the sound panels on the market. | SAFE AND ECO-FRIENDLY:Our sound panels are sound proofing and flame retardant, odorless, non-toxic, non-slip, corrosion resistant, and fade resistant, therefore, it's safe for adults, kids, and pets! Using our studio foam panels on the ceiling, behind the TV or under your rug which leaves countless beautiful memories in a comfortable environment. | EASY TO INSTALL：There is self-adhesive glue on one side of the sound-absorbing panel. which is convenient to attach on the wall, you don't need to prepare too much gum or another things to fix it on.The simple but necessary design will decrease your workload.Easy to cut with a sharp knife and if you want to remove, you simply detach each panel and reinstall to the new desired location with no holes in your walls! | MULTIPURPOSE: These sound insulation panels are ideal for sound treatment and decoration on ceiling and wall; Pefect for kindergarten, beer bar, recording studios, gaming room, home theater, home studio, office, podcast, youtuber and more. | AFTER SELL:If you are not satisfied with our acoustic absorption panels, please do not give us a 1 star review, please email us first, we would provide you with professional solutions. Your 100% satisfaction is guaranteed, we are ready for your every question about hexagon sound panels.