12pcs Hexagonal Head Acoustic Absorption Panel Panel Beveled Edge Tile for Wall Decoration and Acoustic Treatment[SUPERIOR Soundproof]: made of high-density polyester cotton, 300lbs per cubic meter, better sound insulation than soundproof foam! Soundproof and fireproof, odorless, non-slip, corrosion-resistant and fade-resistant. [Stylish]: The stylish hexagonal honeycomb panel design doubles as decorative art walls in your favorite space, allowing you to leave countless beautiful memories in comfort. [Easy to install]: both multi-purpose adhesive and double-sided tape work. Simply attach spray glue or double-sided tape (not included) to the back of each panel and stick to the desired position. [Wide Applications]: Great for spot processing sound on walls in the studio or office - for use in recording studios, control rooms, home offices, theaters, home entertainment, home offices. Easy to shape and cut to size, the change will not affect the performance. Or use it on the ceiling, behind the TV, or under the carpet! High Density & Eco-Friendly: Made of polyester cotton, flame retardant, it is both breathable and safe to use, making it great for anywhere in your home or studio, it is safe for adults, children and pets! Colour: greyMaterial: polyester cottonSize: long