18 Pack Acoustic Panels Sound Proof Padding,Hexagon Sound Dampening Panels for Home,Sound Insulation &Acoustic Treatment                [Superior Soundproofing]: 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 Press, 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.     [Fashion appearance]: The unique hexagonal acoustic panel adopts a beveled edge design, which can not only absorb unnecessary echoes, but also play a role in decorative walls.     [Safe and Eco-Friendly]: Our sound panels are sound proofing and flame retardant, odorless, 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 Installation]: You won't have to wrestle with to get it where they need to go, attaching the acoustic foam panels with nails, spray adhesive or double sided tape (not included) easily. Our sound absorbing panel will stay on a variety of surfaces tightly because they are lightweight and bendable. Easy to shape and cut to size, altering won't affect performance.     [Good sound absorption characteristics]: If you are mixing in a studio, you must reduce the ambient sound. Unnecessary noise during recording will destroy it. The sound-absorbing board can absorb the sound produced by low frequency, middle frequency and high frequency, which is very suitable for recording.          size:17.5cm     Material:Polyester cotton     colour:Silver gray          Package Contents:     18 x Soundproofing Foam          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.