Soundicism 12 Pack Pyramid Sound Proof Foam Panels With Self-Adhesive, 12" X 12" Product Details Why Choose Sonicism Acoustic Foam Panels Adopt a fashionable 3D three-dimensional pyramid design to feel the ups and downs of the space. Ultra-high-density polymer material, which can expand rapidly after opening the package. Excellent sound absorption and noise reduction ability to create a professional acoustic environment. Black and gray color matching, a variety of matching options, DIY your favorite beautiful patterns, fit for home, gaming room, recording studio. Schematic Diagram Sound waves enter the polymer material and are reflected back and forth to absorb. Energy is dissipated, and the refractive index and penetration are reduced. Reducing noise and improving acoustical purity. ??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. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.