1X([Environl protion material] The sound insulation foam panel is made of environlly friendly high-density polyurethane foam, which is flame-retaant and non-. Professional sound-absorbing foam, safe to use.< />[Widely used] These studio absorption foams are widely used in homes, offices, recoing studios, ceilings, cinemas, game rooms, vocal pavilions, and control rooms. Will not inteere with each other!< />[Easy to install] We are equipped It can be installed on walls, ceilings, doors and windows. No tools are needed and it will not be damaged. You can cut the size accoing to your needs without affing i .< />[Pe sound-absorbing ] For professional recoing, video and game live oadcast, these are essential produc. Sound insulation foam is used to eliminate reberation and sound reflion, professional studio-level acoustic treatment, and external noise, so that the ence can hear more clearly.< />< />Colour: Black< />Material: Polyurethane< />Size: 30x30x2.5cm< />< />Package Conten:< />24 x black acoustic foam boa<>Only the above package content, other produc are not included.< />Note: Light ing and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.)