[Easy to install, save time and money]With self-adhesive design, you just need to tear off the top liner on the back and stick the sound panel to the wall. If you have seen other product introductions , you will know how easy it is to install acoustic panels. Also, you 't need to buy any extra double-sided tape or glass glue, saving you time and money.[Balanced Wall Tile, Small Not Simplified]Balanced Acoustic Wall Tile is a decorative sound absorbing panel with a felt surface in a unique pattern and color. You can add , cool, modern to any space where sound matters, enhancing acoustic performance and visuals.[SAFE MATERIAL AND HIGH DENSITY]Using high quality Polyurethane material, odorless, B1 class retardant, safe to and touch. cut with a knife to make different .[What is the effect] Sound panels help reduce unwanted reflected sound in any room of your home or , they are lightweight and easy to install on walls, doors and ceilings. Helps reduce background noise, echoes, time (RT), and reduce standing waves (background noise).size:about 30x30x1cm Material:Polyurethanecolour:dark greyPackage Contents:12 x Acoustic Foam PanelsOnly 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.