1. The shape of the product is a regular hexagon with a side length of 15 cm. A single size is about 30 x 26 x 15cm (with a certain error), the cut is flat and even, fire-retardant, safe and easy to assemble. It is a good helper to reduce indoor noise interference and reverberation. 2. This acoustic treatment studio foam has excellent sound insulation and perfect sound absorption. Professional acoustic control. By increasing the sound absorption performance inside the room, the transmission of sound through the wall is reduced, thereby reducing the noise 3. The sound-absorbing foam is made of high-quality environmentally friendly materials, which is safe and durable. High-density air-permeable small holes, not easy to deform, strong supporting force, and long service life. 4. Very easy to install. You only need to put the foam in a ventilated place for 24-48 hours to that your walls are clean and without any loose debris or dust, then stick the double-sided tape on the foam, and then gently press the sound-absorbing panel to complete the installation . 5. Very suitable for sound processing in recording studio walls or offices-suitable for recording studios, control rooms, office-home studios, home entertainment theaters, home offices. In addition to being used as sound insulation foam, it can also be used as decoration, background wall, photo wall, message wall and work wall. Colour:black Material:Polyester Package Contents: 12 * Hexagonal sound insulation pad Due to different production batches, there are certain errors, which will not affect the use of functions Only the above package content, other products are not included. Note: Light 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.