[Material Safety] The wall sound proof panels is made of polyester fiber, which has better ductility and wear resistance, is not easy to be deformed and damaged, and has a long service life, non-toxic, non-irritating odor, safe to breathe and touch. The acoustic panel adopts large size, high density, and weighs only 0.3lb. It covers a larger area and has a more obvious noise reduction effect. | [45°Chamfering Process] The sound dampening panels innovatively adopts a 45°chamfering process, which leaves no gaps in installation, and is stylish and beautiful. The polyester fiber material is easy to cut, and the built-in glue can be disassembled, and it will not cause damage to the wall! | [Improve Acoustic Quality] These sound proof padding are made of high-density polyester fiber, and the sound insulation effect is better than ordinary sound insulation foam! It can not only reduce and absorb unwanted echoes, waves, reverberations and tremor echoes to make other sounds clearer, but also can be used as wall decoration. | [Easy to Install and Clean] The acoustic tiles comes with adhesive, which reduces installation costs and makes operation easier. Just tear off the protective film on the back and stick it where you need it. The adhesive on the back is very viscous,it will not degummed and will not damage the wall, just clean it with a vacuum cleaner or a damp cloth. | [Wide Application Range] The sound insulation board has a wide application range and can be used in recording studios, rehearsal rooms, concert halls, churches, home theaters, offices and other places where sound insulation is required. It can meet your sound insulation needs