[Superior Soundproofing]Made of 215kg/ high density and -friendly polyester fiber, soundproofing foam have an great advantage of reducing and absorbing noise, it is both safe to in and touch, too. Besides, the sound proof foam panels do well on the test of noise reduction, achieving of 0.92 which is most of the sound panels on the market. [No More Worrying About Installation]You 't have to wrestle with to it where they need to go, attaching the acoustic foam panels with nails, spray adhesive or double sided tape (not included) . sound absorbing panel will stay on a of surfaces tightly because they are lightweight. Easy to shape and cut to size, altering 't affect performance. [Safe and -Friendly] sound panels are sound proofing and retardant, odorless, non-, corrosion resistant, and fade resistant, therefore, it's safe for adults, kids, and pets! Using studio foam panels on the ceiling, behind the TV or under your rug which leaves countless beautiful memories in a comfortable environment. [Wide Applications] acoustic treatment for multiple occasions, not spot treating sound on walls in your studio and office also for using in recording studios, control rooms, offices home studios, home theaters, home Offices. In addition, sound proof foam panels are also a good for because of the colors . [Good noise reduction] If you are mixing in a studio, you must lower the sound. Unnecessary noise during recording will destroy it. The sound-absorbing board can the sound produced by low frequency, middle frequency and high frequency, which is very suitable for recording. size:30 x 40 x 0.9cm Material:Polyurethane fiber cotton colour:white Package Contents: 12 x Acoustic Panels Only the above package content, other products are not included. Note: Light 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.