[Excellent Insulation Sound]: Made of high-density polyester fiber cotton, 300 lbs per cubic meter, better sound insulation than insulation foam! Sound insulation, fireproof, anti-slip, anti-corrosion and anti-fading. [Fashion]: The stylish panel design doubles up as decorative wall art for your favorite space, allowing you to leave countless beautiful memories in a comfortable environment. [High Density & Eco-Friendly]: Made of polyester cotton, flame retardant, you can breathe and breathe safely, making it great for anywhere in your home or studio, safe for adults, children and pets! [Easy installation] both general as spray adhesive and double double-sided tape can be used. Simply hold adhesive spray or double sided tape (not included) on the back of each panel and hold it in position. [Wide Application]: Very suitable for on-site sound treatment on the wall of studio or office-used in recording studio, control room, home office studio, theater home entertainment. Easy to shape and cut, the modification will not affect the performance. Or use it on the ceiling, behind the TV, or under the carpet! Color: GreyMaterial: Polyester Cotton Size: 30x30x0.9cmPackage Contents:12 x Sound Absorbent PanelOnly the above package content, other products are not included. Note: Light and