Description 6Pcs 30x30x5CM Soundproofing Acoustic Wedge Foam Tiles Wall PanelsSpecifications Material Polyurethane foamSize 30305CM 12 X 12 X 2Color BlackQuantity 6pcsFeatures 1 The sponge toxic tasteless and safety 2 The sponge is the ideal sound insulation sound absorbing heat insulation material 3 Can absorb a lot of energy incident on the acoustic attenuation of sound waves play a role 4 reducing chamber reflected sound interference and response improve the purity of sound 5 Suitable for recording studio language lab broadcast studio Acoustics Laboratory theaters listening room home theater KTV and all kinds of public places Notice 1 Products have a slight sponge smell The product is environmentally friendly 2 100 non toxic and no methanol put it in a ventilated place to dry a few days will gradually dispersed Package included 6 x Soundproofing Foams