12Pack Self-adhesive Sound Insulation Foam Panels, 2X12x12inch, Sound Insulation Foam Sound Insulation Foam for Noise and Echo ReductionEasy to Install: If you know our sound insulation foam before, you will know how easy it is to install. The back uses chewing gum, which is lightweight and can get stuck on various surfaces. No special tools or materials are required for installation... A simple but essential design will reduce your workload. Obvious sound insulation effect: we test the insulation effect before. According to the test results, we know that the acoustic panel can effectively reduce noise and provide a comfortable environment. No matter how loud your neighbors are, you can read books at home in peace. Also, you don't have to worry about disturbing people while playing games at high volume because the acoustic panel will help you more. Eliminate Echo and Standing Waves: The high-density material and its particle design effectively absorb noise and eliminate echo. Whether you are watching TV at home, playing the piano in the piano room, or even dancing in the training room, the sound control panel effectively reduces noise and provides you with a suitable environment for learning and relaxing. Inflatable and fireproof: maybe some people want to know whether these acoustic panels are safe. In fact, you don't have to worry because it is made of eco-friendly materials, environmentally friendly