produced by environmentally polyurethane foam.in order to improve the opening 
<br />steps and specific acoustic characteristics, make it not only has the sound 
<br />absorption characteristics effectively, without any harm to human body
<br />
<br />specifications:
<br />material:nvironmentally polyurethane foam
<br />color:black
<br />size:25x25cm
<br />thickness:5cm
<br />
<br />features:
<br />-suitable for sound recording studio, listening room, home theater, ktv,
<br /> and all kinds of public places.
<br />-the sponge is the ideal sound insulation, sound-absorbing, heat insulation material
<br />-sound-absorbing sponge is on the basis of sponge for further processing, acoustic
<br /> inside the sponge and reflection of the increase in the number so as to achieve the 
<br />noise, sound-absorbing effect.
<br />
<br />note:
<br />products have a sponge taste, the taste is very light, the product is environmentally friendly, 
<br />100% non-toxic and no methanol, put it in a ventilated place to dry a few  will gradually
<br /> dispersed
<br />
<br />package include:
<br />6/10/12/24 x foam
<br />