Pyramid Soundproof Foam Panels In A 12-Pack, Self-Adhesive, Measuring 12" X 12" ??Professional Acoustic Treatment?Sonicism acoustic foam panels adopt a novel pyramid 3D design and high-density polymer material. The contact area between the soundproof foam panels and the sound wave is increased, which can effectively reduce flutter echo, reverberation, standing wave and high-frequency noise. In bringing you a quiet and comfortable environment, it can also improve the purity of vocal music. ??Convenient Self-Adhesive?For Sonicism acoustic wall panels, you don't need to buy additional spray glue and double-sided tape. Our soundproof foam board comes with a self-adhesive layer, tear off the kraft paper on the back and stick it at will. The strong and long-lasting adhesive keeps the soundproof cotton firmly fixed on the wall. Easy to install, don't worry about falling off. ??Rapid Expand Recovery?Sonicism soundproof wall panels are composed of 100% ultra-high resilience PU sponge polymer material, which is instantly pressed through dozens of new high-temperature processes. Full of elasticity and toughness, it will quickly expand and return to its original shape within 5 seconds after opening the package. No soaking, no waiting. ??Multi-Scene Decoration?Sonicism soundproof foam panels with stylish and simple pyramid design, black and gray colors, can be arranged in different interesting arrangements according to your imagination. Add more beauty and fun to your space. Our acoustic foam is suitable for homes, game rooms, recording studios, offices, and more. ??Quality Service Guarantee?Each Sonicism soundproof foam panel have undergone strict quality inspection before leaving the factory. If you find quality problems with the acoustic foam panels, please feel free to contact us, we will reply to you within 24 hours and give you a satisfactory solution. Your suggestion is the greatest support for us.