[ACOUSTIC PANELS SPECIFICATION] 23.6"L x 11.8" W x 2" H. There are four pieces of sound-absorbing panels, which can efficiently reduce noise and echo.,[HIGH-DENSITY FIBER MATERIAL] Acoustic panels have excellent sound absorption performance with authoritative test report NRC value of 0.95. Each acoustic panel has polyester high-density fabric and lining. Through its internal fiber structure to absorb the energy of sound waves, so as to achieve the effect of sound absorption.,[WIDELY APPLICacoustic panels sound absorbing for walls sound proof panelsABLE] Acoustic panels can effectively reduce noise and echo. Suitable for recording studios, offices, piano rooms, home theaters KTV and other occasions, to create a good working / entertainment environment. At the same time to avoid "noise pollution".,[EASY TO INSTALL] There is a strong double sided tape on the back of the acoustic panel, tear it off and you can install it. (TIPS: Before installing, please confirm the installation position and clean the dust on the wall. This will strengthen the adhesion.),[DUZZY SATISFACTION SERVICE] We are a professional panels manufacturer, dedicated to researching wall panel decorations. Any issues or needs please feel free to contact us, we will solve the problem within 12 hours.