Feature:1. Easy to Install: Our sound insulation sponge is very easy to install, you can easily complete the installation process under normal operation, and it is also very friendly to novices.2. Noise Pollution Reduction: After installing the sound insulation sponge, you can enjoy the comfort and pleasure of the environment with reduced noise.3. Sound Insulation Principle: This sound insulation sponge is not by blocking the transmission of sound, but by absorbing sound to eliminate and background sound to achieve the sound insulation effect.4. Absorbable Sound Types: Our sound insulation sponge can absorb sound generated by any frequency, which is perfect for recording or listening environment.5. Applicable Scenarios: Can be widely used in different scenarios and will improve the sound in recording studios, offices, rehearsal spaces, home theaters, game rooms, etc.Specification:Item Type: Acoustic FoamMaterial: PolyurethaneUse: Recording studio, drum room, office, factorySize: Approx. 30 x 30 x 5cm / 11.81 x 11.81 x 1.97in.Package List:10 x Acoustic Foam