Clearsonic S4-2D Sorber - Two-Section-Absorber Panel, constructed from Fiberglass encased in heavy-duty dark gray cloth. Both panels are connected together with a cloth hinge and can be used freestanding. It also can be attached to the inside of the ClearSonic Panel to reduce the amount of reflected sound, or attached to a wall to improve acoustics in a room. 44" H x 48" W x 1.5" D Color: Dark Gray