36 Pcs-Sound-absorbing Foam Sound Absorption Pyramid Studio Wall Panel Treatment100% Brand New and High Quality Improve Voice Clarity, Echo Flutter, Reverberation, Modal Problems, Mid to Height Standing WavesWaterproof, Anti-Moisture, Good Air-Permeable, Anywhere To Help Block Sound And Prevent Echo Inside RoomThese Wall Panels Provide Strong Noise Reduction, Good For Studios, Recording Studios, Vocal Booths, control roomsApplication: ideal for use on corner walls, corner ceilings, etc. Application: family noise protection (walls, pipes, ceilings, etc.). Noise protection in the workplace (light walls, partitions, conference rooms, etc.). Entertainment noise protection (KTV rooms, walls, ceilings, floors, etc.). Industrial noise protection (factory walls, roofs, hardware, doors, control room, etc.)Material: Polyurethane FoamColor: BlackProfile Shape: PyramidSize: 25x25x5cmQuantity: 36 PiecesPackage Contents:36*Acoustic FoamOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.