1. 3D Acoustic Design: A 2-inch soundproof wall panel can offer a certain degree of sound control for walls or ceilings. It is quite suitable for individuals to reduce unnecessary echoes, sound waves, reverberation, and flutter echoes. 2. Environmental Protection: The soundproof panel is filled with environmentally friendly polyurethane sound-absorbing foam, weighing around 50 pounds per yard. It has effective sound-absorbing properties and causes little harm to the human body. 3. Quick Recovery to Normal Size: Open the vacuum packaging and place the sound-absorbing panel in a well-ventilated area for approximately 24 - 48 hours. Another approach is to soak the soundproof foam in water for an hour, then wring the sound-absorbing panel out of the water, air-dry it, or use a hair dryer to dry it. You can also let it dry in the sun. 4. Wide Range of Uses: It is suitable for partial soundproofing treatment of the walls of studios or offices and can be used in recording studios, control rooms, offices, home studios, home theaters, home offices, etc. It is easy to shape and cut, and cutting has little impact on its performance. 5. Dimensions: 30×30×5 cm 6. Material: Sponge 7. Color: Blue 8. Package Contents: 5 pieces of soundproof cotton 9. Only the above package contents are included, and no other products are provided. 10. Note: Light reflection and different monitors may lead to slight differences between the color of the items in the picture and the actual product. The allowable measurement error is about ±1 - 3 cm.