[Easy to install] Self-adhesive design, with adhesive on the back, easy to install on walls, ceilings and walls. Suitable for various smooth surfaces. You don't need to prepare extra glue or tools to attach it. [Both aesthetics and functionality] The panel has been specially developed for situations where sound absorption and greater visual sophistication are required, such as offices, meeting rooms, home offices, dining rooms and recording studios, podcast booths, offices and more. By dampening unwanted sounds such as echoes and noise, you can get much clearer sounds. [What is the effect] The tile is a simple, elegant acoustic solution for almost any space. Thanks to its high density, the tiles are perfect for reducing background noise, echo, reverberation time (RT) and reducing standing waves, improving speech intelligibility and helping to increase sound clarity in a room or space. [Specification] High density - 200 kg/m3; Dimensions - 30 x 30 x 0.9 cm (12 x 12 x 0.4 inches), 12-pack, covers 1.1 square meters; Weight - 1.5 kg for 12 pieces; [Why acoustics are important] It is no surprise that excessive noise and poor acoustics can have a negative impact on productivity, communication and concentration. To solve this problem, choose the right amount of tiles and wall covering to create a suitable and comfortable acoustic environment for you, your colleagues and your family. Color: White Material: