A Plus Max Backing Board For Picture Framing Pack of 20 (16"x20")

16x20-inch Uncut Back Boards; Both side White and Acid free of the surface. Sturdy 4-ply (1/16in - 1.4mm) Backing Pack of 20 White Backing Boards for Pictures, Photos, Frames The backing boards are used to support and protect you artworks, pictures and photo while they are in a frame or stand alone The boards can be used as a part of a frame and mat for extra protection from deterioration. Perfect for DIY pictures, prints, artwork