<p>Acoustic foam panels are made of high-density polymer material with innovative U-shaped design.The U-shaped design bounces back the noise and effectively reduces floating echoes, reverberation, standing waves, and high-frequency noise. While bringing you a quiet and comfortable environment, it can also improves the purity of vocal music.</p> <p>soundproof wall panels are composed of polyurethane, Full of elasticity and toughness, it will quickly expand and return to its old shape within 5 seconds after opening the package. No soaking, no waiting.</p> <p>For soundproof wall panels, you don't need to buy extra spray adhesive and double-sided tape. Our acoustic foam panels come with a self-adhesive layer that can be applied at will by removing the kraft paper on the back. The strong, long-lasting adhesive holds the acoustic foam firmly to the wall. Easy to install, no need to worry about falling off.</p> <p>acoustic foam panels absorb echoes and noise from surrounding areas while offering us with a harmonious and elegant atmosphere. Perfect for professional studios, video blogger,rehearsal rooms, concert , podcasting, school,home theaters, offices,gaming room,etc. More sound foam panels and the effect are better.</p> <p>Note:With adhesive backing, the color of the adhesive backing is random and cannot be specified.</p> <p>Colour:Black</p> <p>Material:polyurethane</p> <p>Size:About 30x30x2.5cm</p> <p>Package Contents:</p> <p>24 x Acoustic Foam Panels</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>