[Easy To Install]Self-Adhesive Design, featuring glue on the back, making it simple to attach to walls, ceilings, and other smooth surfaces. No need for additional adhesives or tools for installation. [Both Aesthetics and Functionality]This panel is designed for environments requiring acoustic absorption and enhanced visual appeal, such as offices, meeting rooms, home offices, dining areas, recording studios, podcasting booths, and more. By minimizing unwanted sounds like echoes and noise, it contributes to clearer audio. [What's the Effect]Tiles provide an elegant acoustic solution for nearly any area. With high density, they effectively reduce background noise, echoes, reverberation time (RT), and minimize standing waves, thus improving speech clarity and overall sound quality. [Specification]High Density - 200kg/m3; Dimensions - 12 x 12 x 0.4 inches (30 x 30 x 0.9 cm), pack of 12, covering 12 square feet; Weight - 3.3 pounds for 12 pieces; [Why Acoustics are Important]Excessive noise and poor acoustics can negatively impact productivity, communication, and focus. To address this, select an appropriate number of tiles and wall coverage to create a suitable and comfortable acoustic environment for you, your colleagues, and your family. Colour: White Material: Polyurethane Size: 30 x 30 x 1cm Package Contents: 12 x Acoustic Foam Panels Only the above package content, other products are not included. Note: Light reflection and varying displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement error is allowed at +/- 1-3cm.