These acoustic panels feature a self-adhesive design; simply peel off the protective film and stick them in place upon receipt. They are highly versatile and suitable for acoustic treatment in a variety of settings – ideal not only for on-site sound treatment on the walls of recording studios and offices, but also for vocal booths, home studios, and any other spaces where sound absorption is required. These sound-absorbing panels serve a multitude of purposes and can be used in professional recording studios, rehearsal rooms, concert halls, podcast spaces, churches, home theaters, offices, private retreats, dog kennels, and various other locations. By utilizing these acoustic panels, you can eliminate unwanted noise, allowing other sounds to be heard with greater clarity. They also effectively eliminate internal reverberation, standing waves, echoes, and general room noise. The product is made from environmentally friendly and non-toxic polyester fiber material, offering a safe tactile experience that is harmless to adults, children, and pets. Dimensions: 15 cm; Material: Polyester fiber; Color: Black; Package Contents: 12 acoustic panels. The package includes only the mentioned items; other products are not included. Note: Light conditions and different monitors may cause the color of the item in the picture to differ slightly from the actual product. The allowed measurement error margin is ±1–3 cm.