12 pcs. Sound-absorbing panels, sound-absorbing absorbent tiles for echo and bass insulation, for wall decoration and acoustic treatment[Excellent insulation sound]: made of high-density polyurethane, 300 pounds per cubic meter, better sound insulation than insulation foam! Sound insulation, fireproof, odorless, anti-slip, anti-corrosion and anti-fading. [Fashion]: 250kg/m3, the stylish panel design doubles as a decorative wall art of your favorite space, allowing you to leave countless beautiful memories in a comfortable environment. [High density and friendly]: Made of flame retardant polyurethane material, 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 studio walls or offices-used in recording studios, control rooms, office studios, theaters, home entertainment, and home offices. 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: BlackMaterial: PolyurethaneSize: 30x30x0.9cmPackage Content