Features: -Can be easily cut to form different shapes and patterns to suit any professional or creative style. -With a density of 230 kg/m³ and an NRC value of 0.95, the acoustic panels significantly reduce noise and create a comfortable environment. -With self-adhesive design, it can stick to tiles, wood, wallpaper, etc. and can be easily installed without tools. -Made of 100% recycled polyester, environmentally friendly, non-toxic, safe and will not cause harm to children and pets. -Perfect for studios, home theaters, offices, music rooms and more to improve sound quality. Specifications: Colour: black Material: polyester Size: 30*30*0.9cm .