Features: 1.High Density Polyester Fiber: Made of high density polyester fiber, which has better sound insulation effect than sound insulation foam 2.Sound Insulation and Flame Retardant: Provide sound insulation, flame retardant, odorless, non toxic, non slip, corrosion resistant, and fade resistant 3.Decorative Wall Art: The stylish panel design has the dual function of decorative wall art in your favorite space, allowing you to leave countless beautiful memories in a comfortable environment 4.On Site Sound Processing: Very suitable for on site sound processing on the wall of a recording studio or office, used in recording studios, control rooms, offices, home studios, home entertainment theaters, home offices 5.Easy to Shape and Cut: Soundproofing insulation panel is easy to shape and cut, changes will not affect performance specification:Item Type: Soundproofing Insulation Panel Material: Polyester fiber Color: Dark blue Product Single Size: Approx. 30 x 30cm / 11.8 x 11.8in PackageList:12 x Soundproofing Insulation Panel