12 Pcs Sound-Absorbing Panels,Sound Insulation Panels,Noise Shock-Absorbing Foam,Acoustic Treatment 1. OPTIONS : These Acoustic foam sound panelswhich can be mixed and match for aesthetic looks and design. Perfect for individuals to reduce and absorb unwanted echoes, waves, reverb and flutter echoes and wall decoration.2. HIGH DENSITY AND ECO-FRIENDLY: 215kg/m3 Density. Made with Polyester Fiber, flame Retardant, it is both safe to breathe in and Press, making it great for any location in the home or studio, it's safe for adults, kids, and pets!3. IMPROVED ACOUSTIC QUALITY: These noise-insulation panels are multi-purpose, it can make offices quieter and make audio recordings cleaner. And can be used for professional studios, rehearsal rooms, concert halls, podcasting, churches, home theaters, vocal booths, home studios, offices, man caves and more.4. EASY TO INSTALL: Can be installed by anyone! Simply attach spray adhesive to the back of each panel and adhere in the desired position.5. LOW-COST NOISE REPRODUCTION SOLUTIONS: cost-effective noise reduction products can create an excellent listening or recording environment for you, you can get a good recording experience at home or in the studio.size:30x30x0.9cmMaterial:Polyester cottoncolour:Black + GrayPackage Contents:6 x Black sound insulation board6 x gray sound insulation boardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in th