Acoustical wall and ceiling panels. Advantage: absorbing voice, decreasing noise, decoration, fire resistance. Widely in hotels, dining rooms, shopping centers, theatres, dancing rooms, cinemas, stations, meeting rooms, offices, airports and specially places where need to absorb low frequency Environmental protection Core material:3mm high quality of medium density fiberboard(MDF). SoundTex acoustic felt attached on the back. Selections of surface finishing includes Wooden Veneer, Melamine and Painting. Standard thickness is 3mmSize: 1200*600mm NRC>0.5