Type:Acoustic Panels Color:Black Material:100% Polyether Fibre Acoustic Panels Application:Audio Room,KTV,Meeting room Feature:Highly Effective Sound Absorption Thickness:bottom 1.5cm, slot height 3.5cm Product name:Soundproof Polyester Fiber Acoustic Panels Certification:ISO9001 Model:Wave, wedge, eggcrate and pyramid Fire retardant Test:UL-94, BS5852 Show More