New acoustic panels for wall, door and ceilings. Perfect for individuals to reduce and absorb noise, waves, echoes, reverb and flutter echoes.Made of 215kg/m3 high density and eco-friendly Material, our soundproofing foam is both safe to breathe in and touch.Our sound proofing padding for wall are excellent at improving sound clarity, achieving an average absorption coefficient: 0.8, the best choice for absorbing the noise generated by low frequency, middle frequency and high frequency.No special tools or materials are needed for installation You won't have to wrestle with to get it where they need to go, attaching the acoustic foam panels with nails, spray adhesive or double sided tape (not included) easily.Wide Applications- Odourless and Eco- friendly, Non-allergenic, Recyclable, making it great for any location in the home or office, it's safe for adults, kids, and pets It can Improved acoustic quality and especially used in recording studios & offices & home theaters etc.size:30x30x0.9cmMaterial:polyester fibercolour:blackPackage Contents:12 * Acoustic 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.