Originally Posted by RST
Two pannels of high density insulation board (pink foam) covered with a very light batting to muffle the pink, and a layer of white felt. The whole thing (60 x 80) is attached to the wall. Single pieces of fabric stick by themselves very well; larger or pieced segments I stick a pin in to secure sometimes.
RST
Same thing, only I covered it with flannel I purchased at Joann's in a medium gray, so as not to impact colors.