Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Our Egg foam design allows sound frequencies to be damped and reduced, as it redirects and absorbs the unwanted sounds. The egg design gives you a great look in either your office, home or commercial setting. Our design is perfect for spot treating production studios, conference rooms or home entertainment centers. Studio grade sound absorbing product that will dampen high, mid and low frequency sounds. Get the true home theater sound by insulating the surrounding walls and reducing unwanted echoing and vibrations. This product is perfect and a must for multiple environments that require clarity and lower sound waves for professional recording, whether it's podcasting or a video conference call, our acoustic foam panels will help enrich your sound quality experience. These noise-insulation panels are multi-, it can be used for professional studios, rehearsal rooms, concert , podcasting, churches, home theaters, vocal booths, home studios, offices, man caves, dog kennels, utility closets and more. By deadening unwanted sound using absorption panels, you can make other sounds much clearer. The sound foam Easy to apply adhesive backing - just peel off the covering and easily stick to any surface,just peel off the covering and easily stick to any surface With adhesive backing, random color, no designation accepted Colour:Black Material:Polyurethane Size:30x30x2.5cm,1x12x12In Package Contents: 12 x Acoustic Panels Only the above package content, other products are not included. Note: Light reflection 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.