Quilted Sounds Management Curtain Panels Class A Fire Rated start with mass loaded sounds barrier and encapsulate it with acoustical fiberglass quilted absorber. The struggling with is silver in shade and has a diamond shape sample (other shades offered). Panels are 1" or two" thick with only quilted acoustical fiberglass https://acoustic-panels-dubai57900.blogchaat.com/29892666/everything-about-acoustic-panels-dubai