EBayFeature: 1. Upgraded: The newest self-adhesive design Acoustic Panels which make super long time stick. Three steps for install: opening the packet, tearing up and sticking it. Don't need to prepare extra tapes. The longest stick time in the market. 2. FASHIONABLE DECORATION:Different from acoustic foam panels, it's colorful and well appearance. It is really good for decorate the wall. Acoustic Panels will be a fashion item on your wall. And it is also an excellent acoustic treatment for on-site sound processing on the wall of many places. 3. WIDE APPLICATIONS: Acoustic Panels are applying for studio&home, entertainment theaters, home offices. Acoustic Panels are perfect and safe material for adults, kids, and pets! 4. IMPROVED ACOUSTIC QUALITY: Acoustic Panels are high density, non-toxic and Formaldehyde-free. 100% Polyester Fiber. Excellent acoustic treatment for on-site sound processing on the wall of many ares. Package include: 12 x Acoustic Panels