Custom moulding to fit a 55 flat screen tv. It has 49" in length, 29" in height and 8 1/2 in depth at the center rectangle. Engineered to be screwed or nailed around the outer perimeter and plastered or caulk in the center gap as all walls have minor level imperfections. Then blend to your wall. Pieces come with a white primer finish standard, message me about a custom finish. This item is made of polyester and fiberglass.