Specifications:Material: Polyurethane FoamColor: Blue/Black/RedSize: (L)X(W)X(H) 30x30x5cm / 11.81"x11.81"x1.97"(appr.)Features:Brand new and high quality.- The sponge is non-toxic, tasteless and safety- The sponge is the best tool use for sound insulation, sound-absorbing.- It can be used in sound recording studio, control room, home theater, ktv, and many other places.- Sound-absorbing sponge is base on sponge for further processing, noise can be absorbed because it is reflected in the sponge which do not spread outside.Package Included:1 x Acoustic Foam (Blue/Black/Red)Notice:Please allow slight deviation of measurement due to manual measurement.Due to photographic light, product batches, monitor display differences, etc., it may cause unavoidable chromatic aberration problems, please understand.A contemporary wedge profile.Effective and looks great on your studio walls.