Better Acoustic Than Foam, Ruoninx 9 Pack Acoustic Wall Art Panel 35" X 47" ? ENJOY A HIGH-QUALITY ACOUSTIC ENVIRONMENT: If you have extreme requirements for acoustic treatment, then our Art Acoustic wall panels are a very good choice for you. It has excellent sound absorption coefficient and NRC grade, which can effectively reduce reverberation and echo, remove sound impurities, improve sound effects, and improve language clarity. It is very suitable for places with higher requirements on acoustics. ? FASHION APPEARANCE: While having excellent sound absorption effect, there are a variety of modern decorative style patterns to choose from, which is a combination of acoustic function and decorative art. Able to create a comfortable,quiet, modern and stylish indoor environment. It can be widely used in music studios, home theaters, concert halls, conference rooms, offices, KTV, classrooms, etc. ? GREEN ENVIRONMENTAL HEALTHY?Our Sound Absorbing Panels are made of 100% polyester fiber through heat and pressure, which is fire prevention, non-polluting, lightweight. Provide you with a new acoustic experience integrating sound absorption, decoration and safety. ? EASY INSTALLATION METHOD: You don't have to worry about installation, anyone can easily install it to the designated location by using 3M VHB double-sided tape or 3M spray glue (not included). ? WORRY-FREE AFTER BUYING: If you encounter any problems after purchase, please feel free to contact us. We will provide you with effective solutions according to the situation. If it is not resolved, we can provide a 100% refund.