is_customized : YesCertification : NONEDensity : OrdinaryModel Number : 12/24pcsMaterial : PolyurethaneSize : 300x300x50mmType : Sealing StripsNOTE: Dear buyer, hoping can attract your attention. Because of the large volume and quantity of this product, we ship it in compressed packaging. Compression packaging may cause you to find that the product becomes thin and wrinkled when you receive it. Please do not misunderstand that our products have quality problems. This is a normal phenomenon caused by compression. Just leave it in the air for a few days, or wash it with water and dry it, and it will quickly restore its original shape. Thank you for your understanding. If you have any questions about the product, please send us a message first. We are always there to ensure the best service.Feature:1.3D ACOUSTIC DESIGN:Our 2 inches soundproof wall panels/sound proofing padding for wall provides moderate sound control on walls or ceilings. Perfect for individuals to reduce and absorb unwanted echoes, waves, reverb and flutter echoes.2.ENVIRONMENTAL PROTECTION:Made up of environmentally friendly polyurethane sound foam , the sound dampening panels not only have effective sound absorption characteristics, but also will not cause any harm to our body.3.QUICKLY RECOVER TO NORMAL SIZE:Open the Vacuum package, put the sound proof foam panels in a ventilated place for about 24-48 hours. Another method is soaking the sound absorbing panel in water for one minute then wring the foam out water, use air dry it or use a hair dryer. You can also let them simmer under the sun as well!4.WIDE USE:Great for spot treating sound on walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices. Easy to shape and cut to size, altering won't affect performance.Package included:12 x Acoustic Foam