1. Specifications density 200kg/m3; Dimensions 12 x 12 x 0.4 inches (30 x 30 x 0.9 cm), pack of 12 pieces, covers 12 square feet; Weight 3.3 pounds for 12 pieces. 2. Both Aesthetic and Functional The panel is specifically designed for situations where acoustic absorption and higher visual refinement are required, such as home studios, offices, and conference rooms. It dampens unwanted noise like echoes and background noise, delivering much clearer sound. 3. Easy to Install Self adhesive design with backing, simple to install on walls, ceilings, and other surfaces. Suitable for various smooth surfaces. No additional adhesives or tools are needed for installation. 4. What's the Effect These tiles provide a simple, elegant acoustic solution for almost any space. Thanks to their density, the panels excel at reducing background noise, reverberation time (RT), and standing waves, improving speech intelligibility and enhancing sound clarity in any room or space.