Acoustic panels with self-adhesive design.When you receive the acoustic foam panels, just peel and stick.Wide range of uses - excellent acoustic treatment in a variety of situations, not only can be used for live sound reinforcement treatment in recording studios and office walls, but also can be used in recording studios, home recording studios and wherever needed.Acoustic panels are versatile and can be used in recording studios, rehearsal rooms, concerts, podcasts, houses of worship, home theater systems, singing rooms, home studios, offices, men's dens, dog kennels, utility closets and more.By using sound-absorbing panels to eliminate unnecessary sounds, you can make other sounds clearer. It can effectively eliminate indoor reverberation/standing waves/noise and improve the sound clarity in the space.Made of polyester fiber material, environmentally friendly and harmless, safe to breathe and touch, safe for adults, children and pets.You can use it with confidence Dimensions: 15 cm Material: Polyester Color: Black Package contents: 12 x Acoustic panels Only the above package contents are included, other products are not included.