1、Noise Reduction Effect: These sound insulation panels can prevent collisions, eliminate sound impurities and reduce noise, with strong practicability. 2、Hex Design: The sound absorption board is a standard hex design, which can be installed on any wall with good decorative effect. 3、Polyester Fiber: Made of excellent polyester fiber material, flame retardant and corrosion resistant, odorless and harmless. 4、Adhesive Installation: Easy to install and disassemble, just tear off the adhesive to paste and use, not easy to damage the wall. 5、Multiple Usages: Commonly used in recording studios, offices, home studios, concert halls, stages and home theaters, etc. 12 x Sound Absorption Board Item Type: Sound Absorption BoardMaterial: Polyester fiberSingle Side Length: Approx. 15cm / 5.9in