10 Pack High Density Cotton Insulation 2X12x1 2 Inch Sound-Absorbing Foam Board Sound-Absorbing Foam For KTV3D Music Studio Acoustic Design: 2 inch foam helps to break sound waves to provide an excellent level of moderate sound control on walls or ceilings, effectively absorbing unwanted echo flutterThe partition is made of environmentally friendly material, which not only has effective sound-absorbing properties, but also does not cause any harm to our body. The foam board is compressed in a vacuum package and air-dried by placing it in a well-ventilated area for about 24-48 hours, or soaking the foam in water for a minute, then wring out the water and use a hair dryer, or let it quickly return to its normal size to air dry/dry in the sun. Easy to use, perfect for processing live sound on the walls of your studio or office-ideal for recording studios, control rooms, office home studios, home entertainment theaters, home offices. Easy to form and cut to size, the changes will not affect the performance. Acoustic foam is flame retardant, prevents the spread of fire and reduces durability strengthColor: BlackMaterial: Polyurethane foamSize: 30x30x5cmPackage Contents:10 x Sound Insulation CottonOnly the above package content, other products are not included. Note: Light photography and different displays may be affected by the